Twenty Definition

twĕntē, twŭn-
twenties
noun
twenties
The cardinal number between nineteen and twenty-one; 20; XX.
Webster's New World
A decade or the numbers from 20 to 29.
The children are now in their twenties. The temperature dipped into the twenties.
American Heritage
A twenty-dollar bill.
Webster's New World
The decade from 20 to 29 in a century.
American Heritage

(colloquial) A banknote with a denomination of 20.

The waiter's face lit up when I gave him a twenty.
Wiktionary
Synonyms:
  • xx
  • 20
  • twenty-dollar-bill
adjective
Two times ten.
Webster's New World
Synonyms:
idiom
the Roaring Twenties
  • the decade 1920-29, regarded as a time of economic growth and of rebellion against social, esp. sexual, conventions
Webster's New World
the twenties
  • the numbers or years, as of a century, from twenty through twenty-nine
Webster's New World

Other Word Forms of Twenty

Noun

Singular:
twenty
Plural:
twenties

Idioms, Phrasal Verbs Related to Twenty

  • the Roaring Twenties
  • the twenties

Origin of Twenty

  • From Middle English twenty, twenti, from Old English twÄ“ntiÄ¡ (“twenty", literally “two tens"), from Proto-Germanic *twaintigiwiz, *twai tigiwiz, an old compound of *twain-/*twai (see two) and *-tigaz/*teguz, equivalent to two +"Ž -ty, or twain +"Ž -ty. Cognate with Scots twenty, tuenty (“twenty"), West Frisian tweintich (“twenty"), Dutch twintig (“twenty"), German zwanzig (“twenty"), Danish tyve.

    From Wiktionary

  • Middle English from Old English twēntig dwo- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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