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fifty-one

American  
[fif-tee-wuhn] / ˈfɪf tiˈwʌn /

noun

  1. a cardinal number, 50 plus 1.

  2. a symbol for this number, as 51 or LI.

  3. a set of this many persons or things.

adjective

  1. amounting to 51 in number.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"It took us fifty-one days to clear the mines", he told the BBC.

From BBC • Mar. 16, 2026

Six hundred and fifty-one days of unrest and uncertainty dragged on as Mike Bohn awaited this September morning.

From Los Angeles Times • Nov. 22, 2021

Five hundred and fifty-one of them are serving less than a year for low-level offenses.

From Slate • Mar. 25, 2020

According to ABC News, internal polls showed Joe Biden leading the President by fifty-five per cent to thirty-nine per cent in Pennsylvania, and by fifty-one per cent to forty-one per cent in Wisconsin.

From The New Yorker • Jun. 19, 2019

“And then I need you all to line up, from numbers fifty-one through one hundred like Beckany instructed outside.”

From "Better Nate Than Ever" by Tim Federle

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.