Definition of twenty in English:

twenty

Syllabification: twen·ty
Pronunciation: /ˈtwentē
 
/

number (plural twenties)

1The number equivalent to the product of two and ten; ten less than thirty; 20: twenty or thirty years ago twenty of us stood and waited a twenty-foot aerial (Roman numeral: xx, XX)
More example sentences
  • The pomegranate is a deciduous tree or large shrub that can grow to twenty or thirty feet and produces pomegranate fruit.
  • I know more people who hate it than love it and those haters often question why I would watch this movie ten, twenty, even thirty times without getting tired of it.
  • As far as students are concerned, it is a harsh reality that for the last two years, summer vacation have lasted not more than twenty to thirty days, thanks to vacation classes.
1.1 (twenties) The numbers from twenty to twenty-nine, especially the years of a century or of a person’s life: he’s in his late twenties
More example sentences
  • Police are trying to identify the man, aged in his twenties or thirties.
  • A local man, aged in his mid twenties, has been arrested and was being questioned at Derby police station.
  • With an unsuccessful marriage behind her, she went off to drama school in her twenties.
1.2Twenty years old: he’s about twenty
More example sentences
  • Anyone over the age of twenty is occasionally confronted with the ignorance of today's youth of some phenomenon that was utterly ordinary when we were their age.
  • People with acting ability between the ages of twenty and fifty are required to take part in a double bill of Irish comedy that will be in the Town Hall Theatre, Galway in June.
  • There has been a drop in the number of births to Waterford girls under the age of twenty, according to the latest figures released by the Central Statistics Office.
1.3Twenty miles an hour.
1.4A size of garment or other merchandise denoted by twenty.
More example sentences
  • I also had two fish using a small black gnat tied up on a size twenty hook.
1.5A twenty-dollar bill.
More example sentences
  • He grabs his coat, tosses a twenty on the table and leaves.
  • Casey dropped a couple crisp twenties on the table before following her outside.
  • He quickly took out his wallet and threw a twenty on the table.

Origin

Old English twentig, from the base of two + -ty2.

Derivatives

twentieth

number
More example sentences
  • Yet these poems are not just a collection of images of mid twentieth century life.
  • By the middle of the twentieth century, economic circumstances had changed greatly.
  • The twentieth century has been called, among other things, the Age of the Dictators.

twentyfold

Pronunciation: /-ˌfōld/
adjective & adverb
More example sentences
  • The greater division of labor enables one laborer to accomplish the work of five, 10, or 20 laborers; it therefore increases competition among the laborers fivefold, tenfold, or twentyfold.
  • Over the course of the twentieth century human population has increased more than threefold and gross world product perhaps twentyfold.
  • The Scottish Refugee Council is facing a twentyfold increase in its client base as refugees are dispersed throughout the UK.

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