{"id":8772,"date":"2021-11-08T11:25:37","date_gmt":"2021-11-08T11:25:37","guid":{"rendered":"http:\/\/blog-content.thortful.com\/?p=8772"},"modified":"2025-10-21T14:25:46","modified_gmt":"2025-10-21T13:25:46","slug":"what-to-write-21st-birthday-card","status":"publish","type":"post","link":"https:\/\/blog-content.thortful.com\/what-to-write-21st-birthday-card\/","title":{"rendered":"What to write in a 21st birthday card"},"content":{"rendered":"

Your 21st birthday used to be a major milestone \u2013 now, most things become legal at 18, but that doesn\u2019t mean it\u2019s not worth celebrating a whole twenty-one years on Earth!<\/span><\/p>\n

Whether it\u2019s your best mate, son or daughter who\u2019s turning 21, you want to wish them many happy returns in the best way possible, right? Well, we\u2019re here to help with some inspiration for what to write in a 21st birthday card. From 21<\/span>st<\/span> birthday quotes to sweet messages and hilarious sentiments, we\u2019ve got you covered here at thortful.\u00a0<\/span><\/p>\n

And when it comes to that card, don\u2019t settle for some boring generic option. We\u2019ve got a huge range of funny and unique\u00a0<\/span>21st birthday cards<\/span><\/a>, featuring brilliant illustrations and funny quotes \u2013 some of which you won\u2019t find anywhere else but right here at thortful:\u00a0<\/span><\/p>\n

\"Bob
\"Charles

Charles Makes Cards<\/p><\/div><\/a><\/div>

\"Frankenstein
\"Schnauzer

Schnauzer Scribbles<\/p><\/div><\/a><\/div>

\"Now
\"The

The Girl Next Draw<\/p><\/div><\/a><\/div>

\"21
\"Poppy

Poppy & Mabel<\/p><\/div><\/a><\/div>

\"Twenty
\"Pink

Pink wink<\/p><\/div><\/a><\/div>

\"21st
\"Jamie

Jamie Lindsay<\/p><\/div><\/a><\/div>

\"21
\"Banter

Banter King<\/p><\/div><\/a><\/div>

\"Motorbike
\"RetroMotion

RetroMotion Artwork<\/p><\/div><\/a><\/div>

\"The
\"Oh,

Oh, Laura<\/p><\/div><\/a><\/div>

\"7665
\"Waffle

Waffle & Faff<\/p><\/div><\/a><\/div><\/div><\/span><\/p>\n

Funny 21st birthday wishes<\/span><\/h2>\n

If you can\u2019t take a joke when you\u2019re 21 with your whole life ahead of you, then when can you? These funny 21st birthday wishes only poke gentle fun at the birthday boy or girl \u2013 pair with one of our\u00a0<\/span>funny 21st birthday cards<\/span><\/a>\u00a0for the full effect.<\/span><\/p>\n

    \n
  1. Enjoy turning 21 \u2013 there are no more fun numbers after this one to look forward to. Happy birthday!<\/span><\/li>\n
  2. Twenty-one today! This used to be a proper \u2018coming of age\u2019 birthday, but nowadays, it sort of serves as a reminder that it\u2019s still not too late to get your sh*t together. Happy birthday!<\/span><\/li>\n
  3. I hope you really enjoy your first day of being 21 \u2013 because I know for a fact your second day will be spent hungover in bed.<\/span><\/li>\n
  4. You\u2019re halfway to your forties. If that\u2019s not enough to make you drink, I don\u2019t know what is. Enjoy your birthday!<\/span><\/li>\n
  5. On this day, you can officially adopt a child, drive an HGV, hire a car, drink booze in the USA, and pilot a helicopter. But before you get busy with all of that, let\u2019s party!<\/span><\/li>\n
  6. On your 21st birthday, remember to drink sensibly \u2013 don\u2019t spill any of it.<\/span><\/li>\n
  7. You\u2019re only 21 once. Unless you\u2019re 21 twice, in which case you\u2019re 42 and I\u2019ve bought the wrong bloody card.<\/span><\/li>\n
  8. 21 years and 9 months ago, your parents had sex. Happy birthday!<\/span><\/li>\n<\/ol>\n

    \"Legend
    \"Roll

    Roll Creative<\/p><\/div><\/a><\/div>

    \"Toast
    \"Jimmy

    Jimmy Doodle<\/p><\/div><\/a><\/div>

    \"This
    \"@Laura

    @Laura Lonsdale Designs<\/p><\/div><\/a><\/div>

    \"Duck
    \"The

    The Cake Thief<\/p><\/div><\/a><\/div>

    \"Frankenstein
    \"Schnauzer

    Schnauzer Scribbles<\/p><\/div><\/a><\/div>

    \"Adult
    \"21

    21 Adult World<\/p><\/div><\/a><\/div><\/div><\/span><\/p>\n

    Heartfelt 21st birthday messages<\/span><\/h2>\n

    Keep it sweet, sincere, and genuine as they step further into their twenties with heartfelt 21<\/span>st<\/span> birthday messages. Pair with a lovely\u00a0<\/span>gift from thortful<\/span><\/a>\u00a0like a beautiful bouquet or a\u00a0bottle of sparkling wine\u00a0to really celebrate.<\/span><\/p>\n

      \n
    1. Wishing you a brilliant 21st birthday \u2013 have a wonderful day.<\/span><\/li>\n
    2. Here\u2019s to 21 years of fun times, precious memories, great friends, and a family that love you so very much. Happy 21st birthday!<\/span><\/li>\n
    3. I can\u2019t believe you\u2019re already 21 \u2013 how time flies! Happy birthday.<\/span><\/li>\n
    4. Remember, life isn\u2019t about finding yourself \u2013 it\u2019s about creating yourself. Sending all my love on this special birthday.<\/span><\/li>\n
    5. Twenty-one this very day! You\u2019re wonderful, it\u2019s true. Party queen extraordinaire, big birthday love to you.<\/span><\/li>\n
    6. 21 \u2013 how did that happen? You\u2019re going to achieve so much in your life, and I can\u2019t wait to watch you do it.<\/span><\/li>\n
    7. Twenty-one and gorgeous on the inside and the outside. Keep shining for everyone to see.<\/span><\/li>\n
    8. Congratulations on reaching a major life milestone \u2013 you\u2019ve already done some amazing things and made such wonderful memories. I hope the years ahead are filled with even more great times.<\/span><\/li>\n<\/ol>\n

      21<\/span>st<\/span> birthday wishes for girls <\/span><\/h2>\n

      On the lookout for 21<\/span>st<\/span> birthday wishes for a girl? Perfect for friends, daughters, or any other special lady in your life, here are a few ideas to jot down:\u00a0<\/span><\/p>\n

        \n
      1. Happy 21<\/span>st<\/span> birthday to a wonderful woman, I\u2019m beyond proud of everything you\u2019ve achieved.\u00a0<\/span><\/li>\n
      2. Here\u2019s to 21 wonderful years of you. Can\u2019t wait to see what the future holds.\u00a0<\/span><\/li>\n
      3. Happy 21<\/span>st<\/span> birthday to someone who lights up every room she walks into.\u00a0<\/span><\/li>\n
      4. Cheers to the amazing woman you\u2019ve become. Happy 21<\/span>st<\/span> birthday!\u00a0<\/span><\/li>\n
      5. I still remember holding you when you were a tiny little baby in pink. How on earth are you 21 already?!\u00a0<\/span><\/li>\n<\/ol>\n

        21<\/span>st<\/span> birthday wishes for a boy\u00a0<\/span><\/h2>\n

        Looking for 21<\/span>st<\/span> birthday wishes for a boy instead? Whether it\u2019s your son, best mate, or nephew whose birthday is on the horizon, we\u2019ve got you covered:\u00a0<\/span><\/p>\n

          \n
        1. Cheers to you on your 21<\/span>st<\/span>! May your pint (and your heart) always be full.\u00a0<\/span><\/li>\n
        2. I can\u2019t believe that little boy I once knew is now a full-blown man! Happiest of birthdays to you, hope it\u2019s a good one.\u00a0<\/span><\/li>\n
        3. Happy 21<\/span>st<\/span> birthday! You\u2019ve grown into an incredible young man, and I\u2019m so proud of everything you\u2019ve achieved.\u00a0\u00a0<\/span><\/li>\n
        4. Here\u2019s to fun, freedom, and a bright future ahead. Happy 21<\/span>st<\/span> mate!\u00a0<\/span><\/li>\n
        5. To the guy who deserves the best, here\u2019s to a very happy 21<\/span>st<\/span>! <\/span><\/li>\n<\/ol>\n

          Inspirational 21st birthday quotes<\/span><\/h2>\n

          Sometimes, someone wiser, smarter, and more famous than you has already said everything you could ever want to say. And they probably said it better. It\u2019s annoying, but at least they\u2019ve done the hard work for you. Here are some inspirational 21st birthday quotes to write in your birthday card.<\/span><\/p>\n

            \n
          1. \u201cAlways remember \u2013 you are braver than you believe, stronger than you seem, smarter than you think, and more loved than you know.\u201d \u2013 Christopher Robin, Pooh\u2019s Grand Adventure<\/span><\/li>\n
          2. \u201cDon\u2019t just count your years, make your years count.\u201d \u2013 George Meredith<\/span><\/li>\n
          3. \u201cWhatever with the past has gone, the best is always yet to come.\u201d \u2013 Lucy Larcom<\/span><\/li>\n
          4. \u201cToday you are you! That is truer than true! There is no one alive who is you-er than you!\u201d \u2013 Dr. Seuss<\/span><\/li>\n
          5. \u201cYouth is happy because it has the ability to see beauty. Anyone who keeps the ability to see beauty never grows old.\u201d \u2013 Franz Kafka<\/span><\/li>\n
          6. \u201cGrowing old is mandatory, but growing up is optional.\u201d \u2013 Walt Disney<\/span><\/li>\n
          7. \u201cTime goes by so slowly when you’re a child, and then, as an adult, it goes by in the blink of an eye.\u201d \u2013David Lowery<\/span><\/li>\n
          8. \u201cWhy would I worry about getting older \u2013 what\u2019s to moan about?\u201d \u2013 Dawn French<\/span><\/li>\n<\/ol>\n

            21st birthday messages for your son<\/span><\/h2>\n

            It can be hard to know what to say to your son on a milestone birthday. How do you sum up 21 years of happy memories, mild frustration, pride and love? We\u2019ve got a couple of ideas, plus a huge range of <\/span>son 21st birthday cards<\/span><\/a>. Here are our 21st birthday messages for your son:<\/span><\/p>\n

              \n
            1. You make us so proud each and every single day. Happy 21st birthday \u2013 we love you so much.<\/span><\/li>\n
            2. I can\u2019t believe the little baby I held in my arms is turning 21 today. I\u2019m so proud of the kind and capable person you\u2019ve become. Happy birthday!<\/span><\/li>\n
            3. On this very special birthday, we just want to let you know how deeply proud we are of you, and how much we love you.<\/span><\/li>\n
            4. I know that the path ahead for you is bright \u2013 you deserve every success<\/span><\/li>\n
            5. Happy birthday \u2013 the bank of mum and dad is officially closing its doors! All jokes aside, we\u2019re so proud of you, and we\u2019ll always be here for you no matter what.<\/span><\/li>\n
            6. You only turn 21 once \u2013 I hope this special birthday is more wonderful than you expected, and that your dreams and wishes come true today and every other day.<\/span><\/li>\n
            7. You know I\u2019ll always be here for you, cheering you on, with a listening ear, a home-cooked meal and a comfy bed. Happy 21st birthday, son \u2013 I love you.<\/span><\/li>\n
            8. You made it through your teenage years, and I know you\u2019re going to achieve amazing things in your twenties. My beloved son, I can\u2019t wait to see what you make of the world.<\/span><\/li>\n<\/ol>\n
              \"funny
              \"Shore

              Shore Designs<\/p><\/div><\/a><\/div>

              \"Balloon
              \"Sazerelli

              Sazerelli Designs<\/p><\/div><\/a><\/div>

              \"Ace
              \"Running

              Running with Scissors<\/p><\/div><\/a><\/div>

              \"Amazing
              \"Always

              Always Sparkle<\/p><\/div><\/a><\/div>

              \"Striking
              \"Ally

              Ally Marie Illustration<\/p><\/div><\/a><\/div>

              \"you’re
              \"Louise

              Louise Potton Designs<\/p><\/div><\/a><\/div><\/div>\n

              21st birthday wishes for your daughter<\/span><\/h2>\n

              As a parent, it can be strange to see your little girl not be so little anymore. Start her birthday off right with a unique <\/span>daughter 21st birthday card<\/span><\/a> and one of these 21st birthday wishes for daughters:\u00a0<\/span><\/p>\n

                \n
              1. You are turning 21, and what a joy you are \/ This is your day, we\u2019re super proud, our beautiful shining star.<\/span><\/li>\n
              2. Today you turn 21, and I couldn\u2019t be prouder of the wonderful woman you have become.\u00a0<\/span><\/li>\n
              3. Daughter, on this special day, know that I am so incredibly proud of you as you celebrate 21 years on earth.<\/span><\/li>\n
              4. Wishing you every happiness for this day and all the days you have yet to come.<\/span><\/li>\n
              5. Happy 21st birthday, daughter. I am so blessed to be your mother, and I am so proud to see how you\u2019ve grown up.<\/span><\/li>\n
              6. My beloved daughter \u2013 it brings me more joy than you know to be wishing you a happy 21st birthday today.<\/span><\/li>\n
              7. I will always be so very proud of you, and proud to be the mother of such a special daughter.<\/span><\/li>\n
              8. Daughter, I hope your 21st birthday sparkles with good friends, good times, and magical moments that you\u2019ll always remember.<\/span><\/li>\n<\/ol>\n
                \"Balloon
                \"Louise

                Louise Potton Designs<\/p><\/div><\/a><\/div>

                \"Alpaca
                \"LittleTalesByGem\"

                LittleTalesByGem<\/p><\/div><\/a><\/div>

                \"Best
                \"NICHOLA

                NICHOLA COWDERY ILLUSTRATIONS<\/p><\/div><\/a><\/div>

                \"Love
                \"Lisa

                Lisa Wardle<\/p><\/div><\/a><\/div>

                \"Best
                \"Oh,

                Oh, Laura<\/p><\/div><\/a><\/div>

                \"Fabulous
                \"Colour

                Colour Pop Prints<\/p><\/div><\/a><\/div><\/div>\n

                21st birthday greetings for your brother or sister<\/span><\/h2>\n

                No matter how much you and your sibling get along (or don\u2019t\u2026), their 21st birthday is a truly special occasion which you can celebrate together. Of course, telling them exactly how much you appreciate them can be easier said than done, which is why we\u2019ve come up with a whole range of 21st birthday messages for you to use.<\/span><\/p>\n

                  \n
                1. You\u2019re not just a sibling but my best friend, the past 21 years growing up alongside you have been a blessing. Happy Birthday!<\/span><\/li>\n
                2. After knowing you for 21 years I think it\u2019s time to fess up\u2026 I was the one who told mum that you snuck out of the house that time. My bad but happy 21st.<\/span><\/li>\n
                3. Happy 21st birthday lil bro, I still remember the exact day that mum and dad brought you home from the hospital. Boy, has a lot changed since then.<\/span><\/li>\n
                4. Make sure to savour this day and it\u2019s one of the only times you\u2019ll be dad\u2019s favourite, happy 21st<\/span><\/li>\n
                5. Look at you, a whole 21 years old. As my big sister, you\u2019ll always be an inspiration and I hope to be just as amazing at 21 as you.<\/span><\/li>\n
                6. Now that you\u2019re 21 does this mean my older sibling responsibilities are no longer necessary? Either way, wishing you the happiest of birthdays and can\u2019t wait to celebrate later!<\/span><\/li>\n
                7. 21 years ago, you blessed my life by being a forever friend, I shall always cherish all the memories we shared when we were little. Happy 21st Birthday.<\/span><\/li>\n
                8. All I\u2019m saying is mum and dad better not spend more on your 21st than they did on mine. Oh, and yeah happy 21st!<\/span><\/li>\n<\/ol>\n

                  21st birthday words for friends<\/span><\/h2>\n

                  Friends are essentially like chosen family, so when it comes to their big day, you need to make a fuss about it! With this in mind, here are some 21<\/span>st<\/span> birthday wishes for treasured friends:\u00a0<\/span><\/p>\n

                    \n
                  1. Congratulations on making it to 21, now it\u2019s time to party the night away.<\/span><\/li>\n
                  2. Happy 21st buddy – welcome to adulthood, no escape now!<\/span><\/li>\n
                  3. Happy birthday! Here\u2019s to still being best friends for another 21 years.<\/span><\/li>\n
                  4. Wow, 21 years of age! What happened to the adorable little boy\/girl I met all those years ago?<\/span><\/li>\n
                  5. Welcome to 21, I just wanted to let you know how grateful I am to have such an amazing friend like you.<\/span><\/li>\n
                  6. Happy 21st birthday to you, can\u2019t wait to see what the rest of your twenties has to bring.<\/span><\/li>\n
                  7. Wishing you a very happy birthday, twenty-one suits you.<\/span><\/li>\n
                  8. Today is an extra special day, your 21st of course! Can\u2019t wait to celebrate with you later on.<\/span><\/li>\n<\/ol>\n

                    21st birthday wishes for your partner<\/span><\/h2>\n

                    Is your partner finally turning 21? Whether they\u2019ve been counting down the days or couldn\u2019t be less bothered, it\u2019s important to do your part and celebrate the occasion. If you want to make sure they feel extra loved on their special day, jot down one of these 21st birthday wishes inside a <\/span>partner 21st birthday card<\/span><\/a>!<\/span><\/p>\n

                      \n
                    1. Who needs gifts when you have a boyfriend\/girlfriend like me? Happy 21st birthday darling!<\/span><\/li>\n
                    2. Happy 21st birthday handsome\/beautiful, I love you so much and feel so lucky each and every day.<\/span><\/li>\n
                    3. Wishing you a birthday filled with love and laughter, happy 21st sweetheart.<\/span><\/li>\n
                    4. Cheers to turning 21 and getting to spend the rest of our lives being sweet and soppy together.<\/span><\/li>\n
                    5. Fingers crossed we make it another 365 days to your 22nd birthday celebrations!<\/span><\/li>\n
                    6. It\u2019s a good job I\u2019ve come to love all your quirks, even though you\u2019d think you might\u2019ve outgrown them at 21 years old. Just kidding, happy birthday my love.<\/span><\/li>\n
                    7. Out of all the 21-year-olds I\u2019ve ever known, you\u2019re my favourite!<\/span><\/li>\n
                    8. Happy birthday! Beyond grateful to have found my soulmate so early on in life and celebrate your 21st birthday by your side.<\/span><\/li>\n<\/ol>\n
                      \"21
                      \"SABIVO

                      SABIVO Design by Sabina<\/p><\/div><\/a><\/div>

                      \"21-derful
                      \"Bexy

                      Bexy Boo<\/p><\/div><\/a><\/div>

                      \"Fit
                      \"Lucy

                      Lucy Rose Party<\/p><\/div><\/a><\/div>

                      \"21
                      \"The

                      The Typecast Gallery<\/p><\/div><\/a><\/div>

                      \"21
                      \"Pearl

                      Pearl of a Girl<\/p><\/div><\/a><\/div>

                      \"Wine
                      \"Schnauzer

                      Schnauzer Scribbles<\/p><\/div><\/a><\/div><\/div>\n

                      This should be everything you need for nailing down what to write in a 21st birthday card and getting a delighted smile when they read your message, rather than an \u201coh\u2026 that\u2019s nice..\u201d Now that you’ve hopefully sorted the card and note inside, it’s all about deciding what to do on the day, and we’ve pulled together some <\/span>21st birthday ideas<\/span><\/a> that should help with that! <\/span><\/p>\n

                      Could use this sort of message inspiration for every big birthday? Not a problem, here\u2019s some inspo for <\/span>what to write in a 30th birthday card<\/span><\/a> as well as the <\/span>best milestone birthday messages<\/span><\/a>.\u00a0<\/span>For even more special occasion inspiration, check out the\u00a0<\/span>thortful blog<\/span><\/a>\u00a0where you can find a whole bunch of <\/span>gift ideas<\/span><\/a>\u00a0and\u00a0ways to celebrate (including <\/span>how to celebrate a birthday at work<\/span><\/a>).\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

                      Your 21st birthday used to be a major milestone \u2013 now, most things become legal at 18, but that doesn\u2019t mean it\u2019s not worth celebrating a whole twenty-one years on Earth! Whether it\u2019s your best mate, son or daughter who\u2019s turning 21, you want to wish them many happy returns in the best way possible,…<\/p>\nRead More<\/a>","protected":false},"author":20,"featured_media":8773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[466],"tags":[],"acf":[],"yoast_head":"\nWhat to Write In a 21st Birthday Card | thortful<\/title>\n<meta name=\"description\" content=\"It\u2019s a special milestone, but if you\u2019re struggling with what to write in a 21st birthday card, we\u2019ve got tons of ideas, from funny messages to happy well-wishes.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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