70+ Happy 18th Birthday Messages, Wishes and Quotes

Send Heart-touching happy 18th birthday messages to your loved one on their 18th that they will cherish until their 80th. Since an 18th birthday marks a person’s entry into adulthood and is a milestone occasion, sending the birthday boy or girl some heartfelt 18th birthday wishes is one of the best ways to let them understand they are special.

This special and joyous experience calls for special greetings, and we are here to help you with that. So, choose some warm wishes and messages from this long list, and send them to the wonderful human celebrating their birthday.

An 18-year-old may or may not be keen on reading a long birthday message or a paragraph of advice. So, when penning down a message for him or her, keep it short and express your heartfelt emotions.

Simple 18th Birthday Messages

Simple, sweet, heartfelt, and happy 18th birthday messages to tell your loved one about the amazing journey they can look forward to.

1. May you have an abundance of God’s blessings with you today and every day of your life, Happy 18th birthday!
2. Congratulations on turning 18! May your birthday be as bright as your smile.
3. Enjoy this special moment of your life as you turn 18 today. Here’s a toast to the happy future ahead. Happy 18th birthday!
4. Having turned 18, you are at the right place to start envisioning your future. From where I stand, I can see you doing great things.
5. Welcome to the adulthood club. Happy 18th birthday.
6. Your 18th birthday opens the doors to happy adulthood. Welcome and have fun!
7. Age is a number that you may want to forget when you are older but today, you definitely want to flaunt that 18 as much as you can. Welcome to the carnival and get on board your first ride of adulthood.
8. Here’s my best wishes for you to make the best of your adult life. Congratulations on this momentous occasion of your 18th birthday.
9. As you embark on the grand adventure of adulthood, remember the lessons that you learned during childhood. Happy 18th birthday.
10. The 18th birthday is a childhood to adulthood rite of passage. See you on the other side. Happy 18th celebrations.

18th Birthday Messages for a Friend

Be it 18 or 81, friendships always remain the same. You can speak from your heart to your friend and let them understand how happy you are for them on their 18th birthday with some cute happy 18th birthday messages.

11. Hope this 18th birthday will inspire you to start that wonderful journey that you have always wanted your life to be.
12. Happy 18th birthday! Live life king-size, laugh ‘till it hurts, and celebrate like you have never had a birthday before!
13. You were awesome before, you are awesome now at 18, and you’ll still be awesome at 80. Happy birthday to you.
14. You’ve waited for this day for so long. Finally, you have the chance to paint the town red, officially. Let’s do this, bestie. Happy 18th birthday.
15. No one can say anymore ‘Hey kid, this is for us older folks’. You are officially one of them now. Let’s have a cheerful and fabulous 18th celebration party.
16. You are too old to play pranks now….. Says who? Happy 18th to the adult who’s still a child at heart.
17. Officially an adult but in every other way, you are just the same person that I’ve known for 18 grand years. Let’s celebrate your 18th with a wild, fantastic party.
18. Childhood was a sweet ride with parents taking care of everything. Now you’re 18 and life is going to be a crazy ride with you getting to do what you always wanted. Happy birthday.
19. You turn 18 today. An adult. But that can wait until tomorrow. For now, let’s party like crazy. Bring on the birthday celebrations
20. As you step into the first day of your life as an adult, I can’t wait to get you to do everything I can’t ask my parents to. 18th birthday greetings and wishes, buddy.

Funny 18th Birthday Wishes

These funny happy 18th birthday messages are a wonderful way to start the party with a smile and some ribbing.

21. Eighteen is the perfect age. You’re not old enough to regret mistakes and are young enough to make a few more. Happy birthday!
22. Now you have become an adult, do you have to become wise as well? Never mind. Maybe you’ll improve with age. Happy 18th.
23. I’ll let you in on a secret on your 18th birthday. Just because you’re now an adult doesn’t mean you need to actually grow up.
24. So, you aren’t allowed to goof around with the kids anymore. And the adults don’t think you are old enough to hang out with them. What’s it like to turn 18?

25. You are 18 – an age where you will be treated as an adult to be responsible, but you won’t be given any major responsibilities. Enjoy the confusion!

18th Birthday Wishes for Daughter

These happy 18th birthday messages will make your beloved daughter feel treasured and loved as she should on her special day.

26. You have brought us much joy over the past 18 years, and now as you step into adulthood, we cannot help but rejoice. Happy birthday, darling.
27. Our little girl is now an adult. When did you grow up and become this wonderful, compassionate woman that we can be so proud of? Happy 18th birthday, lovely daughter.
28. Can I just imagine that my little baby girl hasn’t grown up but is just a happy 8-year-old with 10 years of experience? Happy 18th, my baby.
29. The little angel who came into our lives is ready to spread her wings now. Go rock the world, baby girl. Happy 18th birthday.
30. As you embark on your new journey into adulthood, all I want for you is to get all the success I had and none of the challenges. Happy 18th birthday, dear daughter.
31. May you achieve every dream you have and fulfill your greatest potential. Happy 18th birthday.
32. When I remember the tiny little baby that came into my arms 18 years ago, I can’t believe she has grown into this beautiful woman who stands before me today. You’ll always be my little girl, my 18-year-old superstar.
33. On this grand day as you take your first step into adulthood, know that you have the strength in you to make a change in this world. Happy 18th, daughter.

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18th Birthday Wishes for Son

As the birthday boy enters this wonderful stage of life with his 18th celebration, wish him plenty of joy with these happy 18th birthday messages.

34. Raising a naughty little boy was a roller coaster. Watching you grow into this wonderful person is reward enough. Happy 18th, my son.
35. As you step into manhood officially, just remember that your Dad still has your back if you ever need me. Happiest 18th birthday, son.
36. You can celebrate your 18th birthday as much as you want but let’s not tell the people I’m old enough to have an adult son, shall we? Happy birthday my darling boy.
37. When I look at you, I know that there’s something I did just right. Enjoy this wonderful stage of life that you step into as you turn 18 today.
38. You made parenting seem like a grand adventure. I am curious to see how you handle the thrills on your own from now on. Remember that I am always here, ready to come along for the ride. Happy birthday, son.
39. From my darling little boy to a responsible young man- you’ve come a long way. Happy 18th birthday, son.
40. You taught me what it is to father a son, and watch him grow up into a strapping young man who is ready to take on the world. As you step into adulthood, I have nothing but pride and joy to see the man you have become. Happy 18th birthday, son.
41. From my little baby son to being my support system, when did you get so big? Wish you nothing but joy as you turn 18 today.

18th Birthday Wishes For Best Friend

Your wonderful friend merits a wonderful birthday. Light up their special day and compliment them with these happy 18th birthday messages.

42. Good wishes to you as you enter the phase where you can enjoy yourself as adults do. Happy birthday, bestie and wait for me before you start the party.
43. The 18th birthday milestone brings with it many responsibilities. I know you’ll ace them like you ace everything else. Happy birthday, buddy.
44. This is the day you want to make some great memories that you’ll remember for the rest of your life. After all, the first day of adulthood doesn’t roll by again.
45. If becoming an adult brings more responsibility, it also brings freedom. Focus on the good stuff, buddy. Happy 18th birthday.
46. Dearest buddy, Happy first birthday- As an adult.
47. You are old enough to fend for yourself now. But not old enough to never need a friend by your side. I’m still right here for you, bestie. Happy birthday.
48. The way you look may change, the way you talk may change, and what you want in life may change but the one thing that will never change is our friendship. Happy adulthood, buddy.
49. Adulthood comes with a host of challenges and trials. I’m right here beside you every step of the way as always. Happy birthday, best friend.
50. We’ve always had each other’s backs. Adulthood isn’t changing any of that. Happy birthday to my best friend.
51. Life has a lot more to offer now that you are an adult. Let’s enjoy the tasting to the fullest. Happy 18th birthday, amigo.
52. My childhood would have not been the same if it wasn’t for you in it. Here’s to staying friends for life. Happy 18, buddy.

18th Birthday Quotes

These happy 18th birthday messages are just what you require when you are searching for the right words to put on a card or note.

53. “Common sense is the collection of prejudices acquired by age 18”– Albert Einstein
54. “I mean, 18 years old is the age of consent in Europe and you can go anywhere and do anything you like. In America, it is dumb. At 18 you should be able to do anything that you like, except get married”– John Entwistle.
55. “And in the end, it’s not the years in your life that count. It’s the life in your years”– Abraham Lincoln.
56. “Nobody understands anyone 18, including those who are 18”– Jim Bishop
57. “How old would you be if you didn’t know how old you are?”– Satchel Paige
58. “Every age can be enchanting, provided you live within it”– Brigitte Bardot
59. “We turn not older with years, but newer every day”– Emily Dickinson
60. “The secret of staying young is to live honestly, eat slowly, and lie about your age”– Lucille Ball
61. “The great thing about getting older is that you don’t lose all the other ages you’ve been”– Madeleine L’Engle
62. “I’m not getting old. I’m getting better”– Shirley Bassey.
63. “The aging process has you firmly in its grasp if you never get the urge to throw a snowball”– Doug Larson
64. “A birth date is a reminder to celebrate the life as well as to update the life”– Amit Kalantri
65. “You only live once, but if you do it right, once is enough”– Mae West
66. “Every year on your birthday, you get a chance to start new”– Sammy Hagar

18th Birthday Quotes for Yourself

Who says you can’t honor yourself on your own birthday milestone? Here are the happy 18th birthday messages you require to give yourself a pep talk on this special day.

67. “At 18 our convictions are hills from which we look; at forty-five they are caves in which we hide”– F. Scott Fitzgerald
68. “…at the end of the day, I’m 18, and I’m going to fall in love”– Selena Gomez
69. “The way I see it, you should live every day like it’s your birthday”– Paris Hilton

70. “Life would be infinitely happier if we could only be born at the age of 80 and gradually approach 18”– Mark Twain

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Take Away

Your best friend is undoubtedly very special to you, and you may not want to miss wishing them first when they turn 18.

So, as your closest buddy steps into a new stage of life, take inspiration from the wishes in this collection to tell them how special they are and will always be to you.