Celebrate Adulthood With These 30 18th Birthday Messages

Wishes by Ronit Cytheria

A person's 18th birthday is a very important day, as it marks the milestone of transitioning from the tender days of youth to adulthood. So, any 18th birthday message you might send should be a very articulate and special one. Check out our collection of 18th birthday wishes to help you celebrate the occasion in just the right way.

  • 1

    Remind your friend that he is more than ready to be an adult.

  • 2

    When your best friend reaches adulthood, share the happiness you feel.

  • 3

    On their 18th birthdays, let your friends know how much you value them.

  • 4

    Your 18th birthday definitely calls for celebration.

  • 5

    No matter what others say, your 18th birthday is the sweetest.

  • 6

    Many people can't wait to turn 18! Celebrate them finally becoming adults.

  • 7

    Don't waste your 18th birthday worrying about the future.

  • 8

    Turning 18 means you'll have the chance to build a future for yourself.

  • 9

    The 18th is the birthday when a girl becomes a young woman.

  • 10

    18 is the age when every adult thing becomes legal.

  • 11

    A boy becomes a young man on his 18th birthday.

  • 12

    Turning 18 opens new doors and allows you to go places you've only dreamed of.

  • 13

    It's hard to believe how quickly kids grow up and turn 18.

  • 14

    Turning 18 leads to new adventures, but always take care of yourself, no matter what.

  • 15

    On her 18th birthday, let your sister know how much you love her.

  • 16

    When your brother turns 18, it's an extra special day.

  • 17

    Even now that you're grown, you are still precious to me.

  • 18

    Wish your niece all the best on her 18th birthday.

  • 19

    Celebrate a new 18-year-old by welcoming him or her into adulthood.

  • 20

    It's funny how your 18th birthday cake still costs more than the candles.

  • 21

    Turning 18 is a step into adulthood.

  • 22

    18-year-olds go out into the world as adults and make their families proud.

  • 23

    A whole new part of life begins when you turn 18.

  • 24

    A girl's 18th birthday is her last step into womanhood.

  • 25

    Turning 18 is the beginning of the future.

  • 26

    It's amazing how an 18th birthday makes a kid an adult immediately!

  • 27

    Be an adult, but don't lose the joy of youth.

  • 28

    Turning 18 opens up so many new, important doors.

  • 29

    It's a privilege to see a child become a fully grown woman.

  • 30

    Reaching your 18th birthday doesn't mean you have to get all serious.

An 18th birthday message can not only be a wish for happiness and luck but can also provide some guidelines and reassurance about the future. A debut message is also an opportunity to show that you are taking him/her seriously. However, don't forget to celebrate the occasion and have a lot of fun with the newly minted adult, too.