So you know someone with an 18th birthday coming up, do you? While there are many milestone birthdays that call for celebrating in a big way, an 18th birthday is one of the biggest.
There are all kinds of “happy 18th birthday” quotes to send to your friend or family member. Make sure you pick the right one from our list of 23 by thinking about the kind of person you’re wishing a happy 18th birthday too.
If they’re quiet and reserved, you’ll want a low-key quote that still gets the point across. For more outgoing and wild friends, choose a silly quote that teases them about finally becoming an adult. As long as you include “happy birthday,” they’ll be happy you thought of them.
18th Birthday Wishes
1. Happy 18th birthday! It’s all downhill from here. You will love it!
2. Happy birthday! Just because you’re 18 and an adult doesn’t mean you have to grow up in your heart.
3. Your 18th birthday might be a big deal, but for me, you will always be the little kid who was always up for mischief.
4. Happy 18th birthday. Congratulations on being held responsible for your mess!
5. Since you’re now 18, does that mean we’re hanging out with the adults?
6. Happy 18th birthday! Now, you can finally be an adult when you act like one.
7. Best wishes for your 18th birthday. Cherish this day like no other, for you will remember it for decades to come as the day you took your first step into adulthood.
8. Happy 18th birthday to the most beautiful daughter. I wish you all the joy in this world as you step into adulthood.
9. I wish you a great and successful journey ahead. Happy 18th birthday, your life has just begun.
10. Happy 18th birthday! You have officially leveled up.
11. Best wishes on your birthday. I hope you have everything you need to make the journey ahead of a beautiful one. You are truly one of the rarest treasures of this world.
12. It’s your birthday! And, a big one too!! I wish you all the best for the next leg of your life, but let’s talk about it at 21, yes?
13. Happy 18th birthday. Congratulations on lawfully gaining more rights and responsibilities.
14. As you’re ready to turn the page and start the next chapter of your life, know that this is a fresh start. Forget all the things that hold you back and soar forward to be as beautiful an adult as you were a child.
15. It was a pleasure seeing you blossom into the adult you are. I hope your future holds as many happy memories as your past. Happy 18th birthday dear!
16. Let’s talk about responsibilities. Now that you’re 18, you can vote, do taxes and do all the things you see your parents do. However, you’re also responsible for making your journey as wonderful and fun as you want it to be! Never forget that.
17. The road ahead is long and winding, but you must not give up—happy 18th birthday and congratulations on being an adult.
18. As you grow into the wonderful human being, we knew you would never lose your sense of wonder, joy, and mischief. I wish you a very happy 18th birthday.
19. Now that you’re a legal adult, I hope you have your life together because people will be coming to you for advice, not the other way round.
20. It is only when you take on risks and challenges you can truly explore and learn from there. Make this year the one where you leap forward to be the adult that conquers all challenges and makes his life the best journey, they set forth to take.
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21. Happy birthday, you’re not so little anymore, but we have full faith that you can and will make this world your own.
22. Adulthood can be tricky, but you’ve always been the trickster, so you’re all set. Happy 18th birthday!
23. Happy 18th birthday! You might be an adult, but you’re still a teenager. Don’t forget to make the most of this time, so you look back on these days fondly.