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Synonyms

twenty-one

American  
[twen-tee-wuhn, twuhn-] / ˈtwɛn tiˈwʌn, ˈtwʌn ti- /

noun

  1. a cardinal number, 20 plus 1.

  2. a symbol for this number, as 21 or XXI.

  3. a set of this many persons or things.

  4. Cards. Also 21. blackjack.

adjective

  1. amounting to 21 in number.

twenty-one British  

noun

  1. another name (esp US) for pontoon 2

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

One hundred twenty-one of the 594 athletes on the American team — more than one in five — are from the state.

From Los Angeles Times • Aug. 10, 2024

“If you’re coming and you’re over twenty-one, my question is, ‘why now?’” he explained, referring to the legal buying age in Florida.

From Seattle Times • Nov. 5, 2023

At least twenty-one people have died in southern Brazil, after a cyclone made landfall in the state of Rio Grande do Sul.

From BBC • Sep. 5, 2023

But twenty-one states, including Georgia and New York, still keep homebuyers in the dark.

From Salon • Feb. 17, 2023

Three lawns a day, once a week, twenty-one lawns if I worked seven days, dawn till dark, no days off.

From "Lawn Boy" by Gary Paulsen

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.