40 belated birthday wishes for your best friend
Missed your best friend's birthday? Say sorry like you mean it, make them laugh, then celebrate them properly, from quick texts to four full letters.
Updated November 2026 · Original, free to use
40 wishes
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You never miss mine, and I missed yours. I am so sorry, Sam. Let me make it right.
Apologetic · Best friend
You never miss mine, and I missed yours. I am so sorry, Sam. Let me make it right.
Belated birthday · Short · 18 words
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S Sam
Of all the birthdays to forget, it had to be my favorite person's. I am sorry. I love you.
9:00 ✓✓
Apologetic · Best friend
Of all the birthdays to forget, it had to be my favorite person's. I am sorry. I love you.
Belated birthday · Short · 19 words
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My best friend deserved a message at midnight,
to Sam
My best friend deserved a message at midnight, and instead got one days later. I am truly sorry. You are the last person I ever want to feel forgotten, because you are the first person I think of for everything else.
Apologetic · Best friend
My best friend deserved a message at midnight, and instead got one days later. I am truly sorry. You are the last person I ever want to feel forgotten, because you are the first person I think of for everything else.
Belated birthday · Medium · 41 words
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S Sam
I owe you an apology and a birthday wish, in that order. I am sorry I was late, Sam. And happy birthday to the person who knows me best and somehow still likes me. That second part matters most.
Apologetic · Best friend
I owe you an apology and a birthday wish, in that order. I am sorry I was late, Sam. And happy birthday to the person who knows me best and somehow still likes me. That second part matters most.
Belated birthday · Medium · 39 words
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# celebrations
Peoplewisher APP 9:00 AM
🎉 There is no clever way to say this, so I will just say it: I missed your birthday, and I feel awful about it. You are the person who remembers my coffee order, my dentist appointments and the name of my childhood dog. You deserved the same care. Please know this was a lapse in my memory, not in my love. You are my best friend, and that does not change with a date. Happy belated birthday, Sam. I am taking you out, no arguments.
Apologetic · Best friend
There is no clever way to say this, so I will just say it: I missed your birthday, and I feel awful about it. You are the person who remembers my coffee order, my dentist appointments and the name of my childhood dog. You deserved the same care. Please know this was a lapse in my memory, not in my love. You are my best friend, and that does not change with a date. Happy belated birthday, Sam. I am taking you out, no arguments.
Belated birthday · Long · 85 words
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Of everyone in my life, you are the one I least wanted to let down, and of course you are the one whose birthday I missed. I am sorry. I could list the reasons, but you would see through every one of them, and you would be right to. What I want you to hear instead is this: you are my person. You have been for years. A late message does not change that, and I hope the celebration I have planned for you will help prove it.
Apologetic · Best friend
Of everyone in my life, you are the one I least wanted to let down, and of course you are the one whose birthday I missed. I am sorry. I could list the reasons, but you would see through every one of them, and you would be right to. What I want you to hear instead is this: you are my person. You have been for years. A late message does not change that, and I hope the celebration I have planned for you will help prove it.
Belated birthday · Long · 88 words
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S Sam
I know, I know. Add it to the list of things you will bring up at my wedding. Happy belated birthday! 😅
9:00 ✓✓
Funny · Best friend
I know, I know. Add it to the list of things you will bring up at my wedding. Happy belated birthday! 😅
Belated birthday · Short · 22 words
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Technically, it is still your birthday somewhe
to Sam
Technically, it is still your birthday somewhere. Somewhere very, very far away. Happy birthday, bestie!
Funny · Best friend
Technically, it is still your birthday somewhere. Somewhere very, very far away. Happy birthday, bestie!
Belated birthday · Short · 15 words
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S Sam
Go ahead, put this in your future speech about me. I deserve it. Happy birthday, Sam.
Funny · Best friend
Go ahead, put this in your future speech about me. I deserve it. Happy birthday, Sam.
Belated birthday · Short · 16 words
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# celebrations
Peoplewisher APP 9:00 AM
🎉 You will be relieved to hear I have found the culprit behind your missing birthday message. It was me. I did it. The investigation is closed, and the guilty party would like to buy you dinner. Happy belated birthday, Sam.
Funny · Best friend
You will be relieved to hear I have found the culprit behind your missing birthday message. It was me. I did it. The investigation is closed, and the guilty party would like to buy you dinner. Happy belated birthday, Sam.
Belated birthday · Medium · 40 words
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Honestly, you are so ageless that I genuinely lost track of when your birthday was. That is a compliment. Please accept it in place of an on-time message. Happy birthday to my favorite person on the planet.
Funny · Best friend
Honestly, you are so ageless that I genuinely lost track of when your birthday was. That is a compliment. Please accept it in place of an on-time message. Happy birthday to my favorite person on the planet.
Belated birthday · Medium · 37 words
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S Sam
Your birthday present this year is the gift of moral high ground. Use it wisely, use it often, bring it up whenever we argue about where to eat. I earned it. Happy belated birthday, best friend.
9:00 ✓✓
Funny · Best friend
Your birthday present this year is the gift of moral high ground. Use it wisely, use it often, bring it up whenever we argue about where to eat. I earned it. Happy belated birthday, best friend.
Belated birthday · Medium · 36 words
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Some best friends show up at midnight with bal
to Sam
Some best friends show up at midnight with balloons. Some show up three days later with a guilty face and a cupcake that got slightly squashed in the bag. Guess which one you got this year. In my defense, the cupcake is very good, the guilt is very real and my love for you is completely unaffected by my inability to read a calendar. Happy belated birthday, Sam. You may roast me now.
Funny · Best friend
Some best friends show up at midnight with balloons. Some show up three days later with a guilty face and a cupcake that got slightly squashed in the bag. Guess which one you got this year. In my defense, the cupcake is very good, the guilt is very real and my love for you is completely unaffected by my inability to read a calendar. Happy belated birthday, Sam. You may roast me now.
Belated birthday · Long · 73 words
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S Sam
Let us be honest: if anyone was going to miss your birthday, it was always going to be me. You have known this about me for years. You have accepted it. You have, I suspect, quietly lowered your expectations. And still you keep me around, which is the clearest proof that you are a saint. Happy belated birthday to the most patient best friend in history. Dinner is on me, and so is dessert.
Funny · Best friend
Let us be honest: if anyone was going to miss your birthday, it was always going to be me. You have known this about me for years. You have accepted it. You have, I suspect, quietly lowered your expectations. And still you keep me around, which is the clearest proof that you are a saint. Happy belated birthday to the most patient best friend in history. Dinner is on me, and so is dessert.
Belated birthday · Long · 74 words
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# celebrations
Peoplewisher APP 9:00 AM
🎉 Your birthday is not over. I have extended it by royal decree until I take you out. 👑
Playful · Best friend
Your birthday is not over. I have extended it by royal decree until I take you out. 👑
Belated birthday · Short · 18 words
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Missed the day, so you get the week. Name your favorite restaurant and clear your Friday.
Playful · Best friend
Missed the day, so you get the week. Name your favorite restaurant and clear your Friday.
Belated birthday · Short · 16 words
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S Sam
Here is my apology in action form: one dinner of your choice, one round of your favorite cocktails and one evening where I listen to every story from your actual birthday. Happy belated birthday, Sam. Clear your calendar.
9:00 ✓✓
Playful · Best friend
Here is my apology in action form: one dinner of your choice, one round of your favorite cocktails and one evening where I listen to every story from your actual birthday. Happy belated birthday, Sam. Clear your calendar.
Belated birthday · Medium · 38 words
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Since I missed your birthday, I am officially
to Sam
Since I missed your birthday, I am officially in charge of your birthday month. Expect surprise coffee, a dinner reservation and at least one ridiculous card. You are getting celebrated properly whether you like it or not.
Playful · Best friend
Since I missed your birthday, I am officially in charge of your birthday month. Expect surprise coffee, a dinner reservation and at least one ridiculous card. You are getting celebrated properly whether you like it or not.
Belated birthday · Medium · 37 words
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S Sam
I am turning my mistake into your gain: a full birthday do-over, just the two of us. You pick the plan, I pick up the bill. The only rule is that you have to let me make a fuss.
Playful · Best friend
I am turning my mistake into your gain: a full birthday do-over, just the two of us. You pick the plan, I pick up the bill. The only rule is that you have to let me make a fuss.
Belated birthday · Medium · 39 words
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# celebrations
Peoplewisher APP 9:00 AM
🎉 I have decided that your birthday is not a day, it is a campaign, and I am running the late-but-loud phase. Phase one: this message, full of love and mild embarrassment. Phase two: a night out where you do not touch your wallet. Phase three: me telling everyone at the table why you are the best friend a person could ask for. Happy belated birthday, Sam. Please pick a date before I start planning the fireworks.
Playful · Best friend
I have decided that your birthday is not a day, it is a campaign, and I am running the late-but-loud phase. Phase one: this message, full of love and mild embarrassment. Phase two: a night out where you do not touch your wallet. Phase three: me telling everyone at the table why you are the best friend a person could ask for. Happy belated birthday, Sam. Please pick a date before I start planning the fireworks.
Belated birthday · Long · 76 words
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Even late, you are still the first name on my heart. Happy birthday, my chosen family.
Heartfelt · Best friend
Even late, you are still the first name on my heart. Happy birthday, my chosen family.
Belated birthday · Short · 16 words
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S Sam
The calendar got away from me, but you never could. Happy birthday to my person.
9:00 ✓✓
Heartfelt · Best friend
The calendar got away from me, but you never could. Happy birthday to my person.
Belated birthday · Short · 15 words
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My timing was terrible, but my love for you is
to Sam
My timing was terrible, but my love for you is as steady as ever. You are the one I call first, the one who gets every joke and the one I cannot picture life without. Happy belated birthday, Sam.
Heartfelt · Best friend
My timing was terrible, but my love for you is as steady as ever. You are the one I call first, the one who gets every joke and the one I cannot picture life without. Happy belated birthday, Sam.
Belated birthday · Medium · 39 words
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S Sam
Days late, I still want to be the loudest person cheering for you. You deserve a whole year of good news, easy mornings and people who adore you. You already have one of those. Hello. It is me.
Heartfelt · Best friend
Days late, I still want to be the loudest person cheering for you. You deserve a whole year of good news, easy mornings and people who adore you. You already have one of those. Hello. It is me.
Belated birthday · Medium · 38 words
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# celebrations
Peoplewisher APP 9:00 AM
🎉 Missing your birthday felt wrong all week, the way it feels when you leave the house without your keys. You are that much a part of my life. I hope you had a beautiful day, and I hope you know how loved you are.
Heartfelt · Best friend
Missing your birthday felt wrong all week, the way it feels when you leave the house without your keys. You are that much a part of my life. I hope you had a beautiful day, and I hope you know how loved you are.
Belated birthday · Medium · 44 words
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My dear best friend, I am late, and I am sorry, but I would rather say something true than something on time. You are my safe place. You are the person I can sit in silence with, the person who knows what I mean before I finish the sentence, the person who has never once made me feel like too much. I hope your birthday was full of the same love you give me. Happy belated birthday. Here is to every year still ahead of us.
Heartfelt · Best friend
My dear best friend, I am late, and I am sorry, but I would rather say something true than something on time. You are my safe place. You are the person I can sit in silence with, the person who knows what I mean before I finish the sentence, the person who has never once made me feel like too much. I hope your birthday was full of the same love you give me. Happy belated birthday. Here is to every year still ahead of us.
Belated birthday · Long · 86 words
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S Sam
If I could take back one thing from this month, it would be letting your birthday slip by without a word from me. You deserve to feel celebrated by the people you love most, and I am right at the top of that list, whether I can read a calendar or not. So here it is, a little late and entirely sincere: thank you for being my best friend. You make my whole life better. Happy birthday, Sam.
9:00 ✓✓
Heartfelt · Best friend
If I could take back one thing from this month, it would be letting your birthday slip by without a word from me. You deserve to feel celebrated by the people you love most, and I am right at the top of that list, whether I can read a calendar or not. So here it is, a little late and entirely sincere: thank you for being my best friend. You make my whole life better. Happy birthday, Sam.
Belated birthday · Long · 78 words
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We have survived worse than a late birthday te
to Sam
We have survived worse than a late birthday text. Happy birthday to my forever friend.
Sentimental · Best friend
We have survived worse than a late birthday text. Happy birthday to my forever friend.
Belated birthday · Short · 15 words
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S Sam
A missed date cannot touch years of friendship like ours. Happy belated birthday, Sam. 💛
Sentimental · Best friend
A missed date cannot touch years of friendship like ours. Happy belated birthday, Sam. 💛
Belated birthday · Short · 15 words
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# celebrations
Peoplewisher APP 9:00 AM
🎉 After everything we have been through, the breakups, the moves, the nights on the kitchen floor, one late birthday message is a tiny blip. But you still deserved better. Happy birthday to the best part of my story.
Sentimental · Best friend
After everything we have been through, the breakups, the moves, the nights on the kitchen floor, one late birthday message is a tiny blip. But you still deserved better. Happy birthday to the best part of my story.
Belated birthday · Medium · 38 words
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I think of our friendship as one long conversation that started years ago and never really stopped. Today, the conversation is me saying I am sorry I was late, and that I love you. Happy belated birthday.
Sentimental · Best friend
I think of our friendship as one long conversation that started years ago and never really stopped. Today, the conversation is me saying I am sorry I was late, and that I love you. Happy belated birthday.
Belated birthday · Medium · 37 words
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S Sam
I was looking at the photo of us from that first summer, the one where we are both squinting into the sun and laughing at something neither of us can remember. It hit me then that I had let your birthday pass without a word. So many of my best days have you in them. You deserved to hear that on your birthday, and I am sorry you are hearing it late. Happy birthday, my best friend. Here is to more summers and more photos.
9:00 ✓✓
Sentimental · Best friend
I was looking at the photo of us from that first summer, the one where we are both squinting into the sun and laughing at something neither of us can remember. It hit me then that I had let your birthday pass without a word. So many of my best days have you in them. You deserved to hear that on your birthday, and I am sorry you are hearing it late. Happy birthday, my best friend. Here is to more summers and more photos.
Belated birthday · Long · 85 words
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Some friendships are built on convenience
to Sam
Some friendships are built on convenience. Ours was built on years of showing up: the hospital waiting rooms, the moving vans, the weddings, the long phone calls after the worst days. I failed to show up on time this once, and it stung me more than you know. But I am here now, with all the love those years have built. Happy belated birthday, Sam. You are my family.
Sentimental · Best friend
Some friendships are built on convenience. Ours was built on years of showing up: the hospital waiting rooms, the moving vans, the weddings, the long phone calls after the worst days. I failed to show up on time this once, and it stung me more than you know. But I am here now, with all the love those years have built. Happy belated birthday, Sam. You are my family.
Belated birthday · Long · 69 words
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S Sam
Late, sorry and still obsessed with you. Happy birthday, bestie!
Warm · Best friend
Late, sorry and still obsessed with you. Happy birthday, bestie!
Belated birthday · Short · 10 words
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# celebrations
Peoplewisher APP 9:00 AM
🎉 Belated birthday love to my ride or die. Celebration is on me this weekend. 🎂
Warm · Best friend
Belated birthday love to my ride or die. Celebration is on me this weekend. 🎂
Belated birthday · Short · 15 words
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To my favorite human: I missed the day, not the meaning. Happy belated birthday. I hope it was full of cake, laughter and people who know how amazing you are. Call me tonight?
Warm · Best friend
To my favorite human: I missed the day, not the meaning. Happy belated birthday. I hope it was full of cake, laughter and people who know how amazing you are. Call me tonight?
Belated birthday · Medium · 33 words
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Letter
Dear Sam,
I have been staring at this page for a while, trying to find the right way to say sorry for missing your birthday. There is not a perfect way, so I will just be honest. I lost track of the days, and I let down the person who matters most to me outside my own family. I am truly sorry.
You have never once forgotten me. You remember the anniversaries of hard days and the dates of job interviews. You send the text at exactly the moment I need it. You have made a habit of showing up, and I want you to know I notice every time.
Letter · Best friend
I have been staring at this page for a while, trying to find the right way to say sorry for missing your birthday. There is not a perfect way, so I will just be honest. I lost track of the days, and I let down the person who matters most to me outside my own family. I am truly sorry. You have never once forgotten me. You remember the anniversaries of hard days and the dates of job interviews. You send the text at exactly the moment I need it. You have made a habit of showing up, and I want you to know I notice every time. So please hear this clearly: my late message is not a measure of how much I love you. It is just proof that I am human and a bit of a mess. The love is constant. You are my best friend, my chosen family and the person I want beside me for every big moment still to come. Happy belated birthday. I hope you will let me make it up to you properly. All my love, always,
Belated birthday · 187 words · 1 min read
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Letter
Dear Sam,
Welcome to the late edition of your birthday celebrations, brought to you by the best friend who can remember every line of our favorite movie but not the date of your birth. I am sorry. I am also, as always, deeply committed to making it up to you in excessive style.
Here is what you can expect. One dinner, your choice of place, no looking at the prices. One cake, delivered with candles and possibly a sparkler if the restaurant allows it. One toast, in which I will say embarrassingly sincere things about you while you pretend to hate it.
Letter · Best friend
Welcome to the late edition of your birthday celebrations, brought to you by the best friend who can remember every line of our favorite movie but not the date of your birth. I am sorry. I am also, as always, deeply committed to making it up to you in excessive style. Here is what you can expect. One dinner, your choice of place, no looking at the prices. One cake, delivered with candles and possibly a sparkler if the restaurant allows it. One toast, in which I will say embarrassingly sincere things about you while you pretend to hate it. Underneath all the jokes, though, I want you to know something. You make my life so much fuller. You are the first person I text with good news, the one who talks me down when I spiral, and the best company for doing absolutely nothing. I cannot imagine any of my years without you. So happy birthday, a few days late and a lifetime grateful. Your birthday week has officially begun. Your very sorry, very loving best friend,
Belated birthday · 180 words · 1 min read
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Letter
Dear Sam,
Your birthday came and went this year without a word from me, and I have felt it every day since. Not because I think you are keeping score, you never do, but because you deserved to feel celebrated by me, and you did not.
I keep thinking about how many times you have shown up for me without being asked. The night you drove across town because I sounded wrong on the phone. The spare key you gave me when I needed somewhere to land. The way you sat through my wedding speech rehearsal four times and still cried at the real one. That is who you are.
Letter · Best friend
Your birthday came and went this year without a word from me, and I have felt it every day since. Not because I think you are keeping score, you never do, but because you deserved to feel celebrated by me, and you did not. I keep thinking about how many times you have shown up for me without being asked. The night you drove across town because I sounded wrong on the phone. The spare key you gave me when I needed somewhere to land. The way you sat through my wedding speech rehearsal four times and still cried at the real one. That is who you are. So this letter is my small attempt to show up for you, even if I am late. Thank you for every one of those moments. Thank you for loving me through my worst phases and laughing with me through my best ones. I hope this new year of yours is full of kindness, and I promise to be on time for the next one. With all my gratitude and love,
Belated birthday · 180 words · 1 min read
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Letter
Dear Sam,
I missed your birthday, and when I realized, my first thought was not guilt. It was a memory. The two of us, years ago, sitting on the hood of your car eating cheap fries and making plans for lives we could not yet imagine.
Look at us now. Some of those plans came true, some fell apart, and some turned into things far better than we pictured. Through all of it, you have been beside me. You are part of nearly every good memory I own.
Letter · Best friend
I missed your birthday, and when I realized, my first thought was not guilt. It was a memory. The two of us, years ago, sitting on the hood of your car eating cheap fries and making plans for lives we could not yet imagine. Look at us now. Some of those plans came true, some fell apart, and some turned into things far better than we pictured. Through all of it, you have been beside me. You are part of nearly every good memory I own. That is why I could not just send a quick message and move on. You deserve to know how much this friendship means to me, today and every day. It has been my steady ground, my best adventure and my favorite place to come home to. So happy belated birthday, my dear friend. I am sorry I was late, and I am so grateful you are in my life. Here is to the plans we have not made yet. Forever your friend,
Belated birthday · 170 words · 1 min read
No wishes match both filters. Try one at a time.
In short
The best belated birthday wish for a best friend is honest, a little funny and very clear about how much they matter. Own the miss in one line, skip the excuses they will see through anyway, then remind them of your history and plan a proper make-up celebration. They know you. Let the message sound like you.
How to use these
- 1
Say sorry without the speech. Your best friend can smell an excuse from a mile away. One honest line of apology is enough.
- 2
Lean on your history. A running joke, a shared memory or a nod to how long you have known each other shows the date is the only thing you forgot.
- 3
Plan the do-over. Book the dinner, the movie or the road trip. A make-up plan turns the miss into something to look forward to.
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Common questions
Is it rude to send your best friend a belated birthday message?
Not at all. What hurts is silence. A late message that owns the miss and shows real love usually means more to a best friend than a rushed one on the day.
How late is too late to wish your best friend happy birthday?
There is no real cutoff for a best friend. Within a week is easy to laugh off; a month later, open with a sincere apology and a plan to celebrate.
What should I say instead of “sorry I forgot your birthday”?
Try something warmer, like “I missed the day, not the meaning” or “You never miss mine, and I missed yours. Let me make it right.” Then add a memory or a make-up plan.
How do I never miss my best friend's birthday again?
Add their birthday to Peoplewisher once. It remembers every birthday and sends your message on the day by email, SMS or WhatsApp, so you are never late again.
Keep reading
More collections
See all collections- 40 wishesS Sam
Sweetheart, I missed your birthday and I am so sorry. You deserved better from me. I love you endlessly.
9:00 ✓✓
Belated birthday wishes for a daughter
Daughter
Belated birthday · 4 letters · short to long
- 40 wishes
Son, I missed your birthday and I am truly sor
to Sam
Son, I missed your birthday and I am truly sorry. You matter more to me than any date. Love you always.
Belated birthday wishes for a son
Son
Belated birthday · 4 letters · short to long
- 40 wishesS Sam
I missed your birthday, bro, and that is on me. Sorry. You deserve better from your sibling.
Belated birthday wishes for brother
Brother
Belated birthday · 4 letters · short to long
- 40 wishes# celebrations
Peoplewisher APP 9:00 AM
🎉 We missed your birthday, Sam, and we are sorry. Warm wishes from all of us at Acme.
Belated birthday wishes for clients
Clients & customers & VIP clients
Belated birthday · 4 letters · short to long