twenties

UK: /ˈtwɛntiz/

From twenty (n): npl: twenties

WordReference Random House Learner's Dictionary of American English © 2026

twen•ty /ˈtwɛnti, ˈtwʌn-/   n., pl. -ties, adj. 
n. [countable]

1. a cardinal number, 10 times 2.
2. a symbol for this number, as 20 or XX.
3. a set of this many persons or things.
4. Informal Terms a twenty-dollar bill.
5. twenties, the numbers from 20 through 29, as in referring to the years of a lifetime or of a century or to degrees of temperature:
   the roaring twenties;
   He's in his late twenties;
   temperature in the low twenties.

adj. [before a noun]

6. amounting to 20 in number.

twen•ti•eth, adj., n. [countable]

WordReference Random House Unabridged Dictionary of American English © 2026

twen•ty  (twen′tē, twun′-), n., pl. -ties, adj. 
n. 

1. a cardinal number, 10 times 2.
2. a symbol for this number, as 20 or XX.
3. a set of this many persons or things.
4. Informal Terms a twenty-dollar bill:
   Can you give me two tens for a twenty?
5. 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.

adj. 

6. amounting to 20 in number.

• bef. 900; Middle English; Old English twēntig; cognate with Old Frisian tw(e)intich, Old High German zweinzug (German zwanzig), Gothic twai tigjus two tens