fifty

noun

fif·​ty ˈfif-tē How to pronounce fifty (audio)
plural fifties
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
fiftieth adjective or noun
fifty adjective
fifty pronoun, plural in construction
fiftyish 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Another surprise awaited her: the shocking reality of dating men in their fifties and sixties and seventies. Joseph O’Neill, The New Yorker, 23 Feb. 2025 There were merely four movies from the Eighties and Nineties, which met varying degrees of success, about karate in the Valley, a wise sensei who died 2005, and a group of teenagers who were now in their fifties. Andy Greene, Rolling Stone, 20 Feb. 2025 In May 2023, Sachs, who is in his fifties, published a statement in The New York Times that addressed the allegations and pledged a commitment to be improving his studio’s working conditions. Angelica Villa, ARTnews.com, 18 Feb. 2025 Written and directed by van de Velde, the movie revolves around a childless couple in their early fifties who have enjoyed a fulfilling lifestyle, centred around their careers, wealth and freedom. Melanie Goodfellow, Deadline, 12 Feb. 2025 See All Example Sentences for fifty

Word History

Etymology

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

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

Browse Nearby Words

Cite this Entry

“Fifty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fifty. Accessed 12 Mar. 2025.

Kids Definition

fifty

noun
fif·​ty ˈfif-tē How to pronounce fifty (audio)
plural fifties
: a number equal to five times 10 see number
fiftieth adjective or noun
fifty adjective or pronoun

More from Merriam-Webster on fifty

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!