who's who

noun

often capitalized both Ws
1
: a compilation of brief biographical sketches of prominent persons in a particular field
a who's who of sports figures
2
: the leaders of a group : elite
3
: a listing or grouping of notable persons or things

Examples of who's who in a Sentence

Recent Examples on the Web
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In total, Pitbull captured the Bellator featherweight title three times and has a list of wins against a who's who of the promotion's 145-pound division, including AJ McKee, Emmanuel Sanchez, Pedro Carvalho, Juan Archuleta, Daniel Weichel, and Daniel Straus. Tom Rogers, Newsweek, 20 Feb. 2025 On Friday, King Charles III and Queen Camilla welcomed a who's who of celebrity guests to their Highgrove House estate in Tetbury, England. Anna Kaufman, USA TODAY, 11 Feb. 2025 While smaller than The Broad, MOCA's permanent collection is a who's who of modern art history. David Hochman, Forbes, 2 Jan. 2025 Along with these musical students, performers from Tennessee or with Tennessee roots are also filling out the line-up of who's who on floats for 2024. Joyce Orlando, The Tennessean, 26 Nov. 2024 See All Example Sentences for who's who

Word History

First Known Use

1917, in the meaning defined at sense 1

Time Traveler
The first known use of who's who was in 1917

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Cite this Entry

“Who's who.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/who%27s%20who. Accessed 4 Mar. 2025.

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