fifty

[ fif-tee ]
/ ˈfɪf ti /

noun, plural fif·ties.

a cardinal number, ten times five.
a symbol for this number, as 50 or L.
a set of this many persons or things.
fifties, the numbers, years, degrees, or the like, from 50 through 59, as in referring to numbered streets, indicating the years of a lifetime or of a century, or degrees of temperature: She lives in the East Fifties. He's in his late fifties. It's going to be in the fifties again today.
Informal. a fifty-dollar bill: He had a fifty and two tens in his wallet.

adjective

amounting to 50 in number.

Origin of fifty

before 900; Middle English; Old English fīftig. See five, -ty1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for fifty

British Dictionary definitions for fifty

fifty
/ (ˈfɪftɪ) /

noun plural -ties

the cardinal number that is the product of ten and five
a numeral, 50, L, etc, representing this number
something represented by, representing, or consisting of 50 units

determiner

  1. amounting to fiftyfifty people
  2. (as pronoun)fifty should be sufficient

Word Origin for fifty

Old English fīftig
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