[ twen-tee, twuhn- ]

noun,plural twen·ties.
  1. a cardinal number, 10 times 2.

  2. a symbol for this number, as 20 or XX.

  1. a set of this many persons or things.

  2. Informal. a twenty-dollar bill: Can you give me two tens for a twenty?

  3. twenties, the numbers, years, degrees, or the like, from 20 through 29, as in referring to numbered streets, indicating the years of a lifetime or of a century, or referring to degrees of temperature: He lives in the West Twenties. She's in her early twenties. The temperature must be in the high twenties today.

  4. Also 20 .Slang. location; ten-twenty: What’s your twenty?

  1. amounting to 20 in number.

Origin of twenty

First recorded before 900; Middle English; Old English twēntig; cognate with Old Frisian tw(e)intich,Old High German zweinzug (German zwanzig ), Gothic twai tigjus two tens Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use twenty in a sentence

British Dictionary definitions for twenty


/ (ˈtwɛntɪ) /

nounplural -ties
  1. the cardinal number that is the product of ten and two; a score: See also number (def. 1)

  2. a numeral, 20, XX, etc, representing this number

  1. something representing, represented by, or consisting of 20 units

    • amounting to twenty: twenty questions

    • (as pronoun): to order twenty

Origin of twenty

Old English twēntig; related to Old High German zweinzug, German zwanzig

Other words from twenty

  • Related adjectives: vicenary, vigesimal
  • Related prefix: icosa-

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