fifty

play
noun fif·ty \ˈfif-tē\

Definition of fifty

plural

fifties

  1. 1 :  a number equal to five times 10 — see number table

  2. 2 fifties plural :  the numbers 50 to 59; specifically :  the years 50 to 59 in a lifetime or century

  3. 3 :  a 50-dollar bill

fiftieth

play \ˈfif-tē-əth\ adjective or noun

fifty

adjective

fifty

pronoun, plural in construction

fiftyish

play \ˈfif-tē-ish\ adjective

Examples of fifty in a sentence

  1. She is in her fifties.

  2. The bill for dinner came to $43, and she gave him a fifty.

Origin and Etymology of fifty

Middle English, from fifty, adjective, from Old English fīftig, from fīftig, noun, group of 50, from fīf five + -tig group of ten; akin to tīen ten


First Known Use: before 12th century


FIFTY Defined for English Language Learners

fifty

play
noun fif·ty \ˈfif-tē\

Definition of fifty for English Language Learners

  • : the number 50

  • fifties : the numbers ranging from 50 to 59

  • : a set of years ending in digits ranging from 50 to 59


FIFTY Defined for Kids

1

fifty

play
adjective fif·ty \ˈfif-tē\

Definition of fifty for Students

  1. :  being five times ten


2

fifty

play
noun fif·ty

Definition of fifty for Students

  1. :  five times ten :  50



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