twenty-one

noun

twen·​ty-one ˌtwen-tē-ˈwən 

ˌtwən-

1

: a number that is one more than 20 see Table of Numbers

2

[translation of French vingt-et-un] : blackjack sense 1

twenty-one adjective

twenty-one pronoun, plural in construction

Examples of twenty-one in a Sentence

Recent Examples on the Web

The twenty-one-year-old is talking on the phone, and the ten-year-old is asleep on the sofa, her iPad clutched in her hands, her mouth slightly open. —Rivka Galchen, New Yorker, 21 Sep. 2025

Riki had worked at the nursing home for almost two and a half years, from age twenty-one to twenty-three. —Literary Hub, 10 Sep. 2025

Paine proposed a lump sum payment of £15 (£2,306 in 2025) to everyone reaching the age of twenty-one and a £10 (£1,537 in 2025) annual pension for the blind and lame, as well as for those fifty and older. —Matthew Wills, JSTOR Daily, 7 Sep. 2025

The supply is capped at twenty-one million coins, with issuance predetermined by code. —Becca Bratcher, Forbes.com, 26 Aug. 2025

Word History

First Known Use

circa 1611, in the meaning defined at sense 1

Rhymes for twenty-one

• aileron
• antiphon
• autobahn
• carillon
• castellan
• celadon
• cephalon
• chitosan
• cynodon
• denouement
• deuteron
• echelon