fif·​ty | \ ˈfif-tē How to pronounce fifty (audio) \
plural fifties

Definition of fifty

1 : a number equal to five times 10 — see Table of Numbers
2 fifties plural : the numbers 50 to 59 specifically : the years 50 to 59 in a lifetime or century
3 : a 50-dollar bill

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Other Words from fifty

fiftieth \ ˈfif-​tē-​əth How to pronounce fiftieth (audio) \ adjective or noun
fifty adjective
fifty pronoun, plural in construction
fiftyish \ ˈfif-​tē-​ish How to pronounce fiftyish (audio) \ adjective

Examples of fifty in a Sentence

She is in her fifties. The bill for dinner came to $43, and she gave him a fifty.

Recent Examples on the Web

Dream, a former clown born Richard Archer, was a grim and lanky guy in his fifties who always had a black pit bull named Bleau Bell by his side. Joe Kloc, Harper's magazine, "Lost at Sea," 10 June 2019 Gard, a childless man in his mid-fifties, did not relish the task at hand. Gavin Francis, The New York Review of Books, "The Value of a Cell," 23 May 2019 The conceit derived from a joke bylaw that actually got passed in southern France, at the time of the U.F.O. scares of the fifties, forbidding any alien to land in a vineyard. Adam Gopnik, The New Yorker, "A Vintner’s Quest to Create a Truly American Wine," 14 May 2018 An Italian shoemaker in Bulgaria has sent boxes of fifties-era shoes for aging, but one gleaming pair on the counter stands out. Jason Horowitz, Vogue, "Meet the Adorable Italian Stars in HBO’s Elena Ferrante Adaptation, My Brilliant Friend," 14 Aug. 2018 By the fifties, her writing had fallen out of favor, and when the sales stopped so did the fellowships, grants, and stipends that had supported her early work. Casey N. Cep, The New Yorker, "Zora Neale Hurston’s Story of a Former Slave Finally Comes to Print," 7 May 2018 Sinatra’s great albums of the mid-fifties were heavy with theatre songs. Steven Strogatz, The New Yorker, "Did Andrew Lloyd Webber Ruin the Musical or Rescue It?," 20 Feb. 2017 Zammar, who is his mid-fifties, was apprehended in northern Syria and was being interrogated, a senior Kurdish commander told Agence France-Presse on Wednesday. Fox News, "Suspected 9/11 recruiter for Al Qaeda captured in Syria, Pentagon says," 19 Apr. 2018 Each of them had their first heart attack in their late fifties. Caroline Manzo, Woman's Day, "Caroline's Blog: Why I'm Staying Heart-Healthy For Life," 5 Feb. 2015

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fifty.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of fifty

before the 12th century, in the meaning defined at sense 1

History and Etymology for 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

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Statistics for fifty

Last Updated

24 Jun 2019

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Time Traveler for fifty

The first known use of fifty was before the 12th century

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More Definitions for fifty



English Language Learners Definition of fifty

: the number 50
: the numbers ranging from 50 to 59
: a set of years ending in digits ranging from 50 to 59


fif·​ty | \ ˈfif-tē How to pronounce fifty (audio) \

Kids Definition of fifty

 (Entry 1 of 2)

: being five times ten



Kids Definition of fifty (Entry 2 of 2)

: five times ten : 50

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More from Merriam-Webster on fifty

Rhyming Dictionary: Words that rhyme with fifty

Spanish Central: Translation of fifty

Nglish: Translation of fifty for Spanish Speakers

Britannica English: Translation of fifty for Arabic Speakers Encyclopedia article about fifty

Comments on fifty

What made you want to look up fifty? Please tell us where you read or heard it (including the quote, if possible).


an act or instance of editing or removing

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