twenty-one

noun twen·ty-one \ ˌtwen-tē-ˈwən , ˌtwən- \

Definition of twenty-one

1 :a number that is one more than 20 — see Table of Numbers
2
[translation of French vingt-et-un]
:blackjack 5

twenty-one

adjective

twenty-one

pronoun, plural in construction

First Known Use of twenty-one

circa 1611



Seen and Heard

What made you want to look up twenty-one? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

marked by intense feeling

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!