twenty

noun

twen·​ty ˈtwen-tē  ˈtwən- 

plural twenties

1

: a number equal to two times 10 see Table of Numbers

2

twenties plural : the numbers 20 to 29

specifically : the years 20 to 29 in a lifetime or century

3

: a 20-dollar bill

twentieth

ˈtwen-tē-əth 

ˈtwən-

adjective or noun

twenty adjective

twenty pronoun, plural in construction

Examples of twenty in a Sentence

Tomorrow the temperature will be in the low twenties.

Recent Examples on the Web

Scott first visited Southeast Asia in his early twenties. —Nikil Saval, New Yorker, 7 Apr. 2025

During our teens and twenties, estrogen levels are increasing, with a natural peak occurring around age 30. —Taylor Lane, Flow Space, 4 Apr. 2025

And, much like our collagen, the NAD our body naturally produces starts a precipitous decline by our twenties, debilitated by our lifestyle choices and daily stressors (poor diet, not enough exercise, stress, pollution and so on), dipping steadily with age. —Fiorella Valdesolo, Allure, 2 Apr. 2025

According to the Cleveland Clinic, many start to notice the early stages by their thirties, but some will experience it in their late teens or early twenties. —Josh Hammer, MSNBC Newsweek, 1 Apr. 2025

Word History

Etymology

Middle English, from twenty, adjective, from Old English twēntig, noun, group of 20, from twēn- (akin to Old English twā two) + -tig group of 10; akin to Old English tīen ten — more at two, ten

First Known Use

13th century, in the meaning defined at sense 1

Phrases Containing twenty

• twenty-four hours a day
• twenty-fourmo
• twenty-four seven
• twenty-one
• twenty-twenty
• twenty-twenty hindsight
• twenty-twenty vision
• twenty-two

Rhymes for twenty

• mentee
• plenty
• senti
• aplenty

Kids Definition

twenty

noun

twen·​ty ˈtwent-ē 

plural twenties

: a number equal to two times 10 see number

twenty adjective or pronoun