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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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 The show will feature a who's who of WWE legends and current superstars, including Roman Reigns, Seth Rollins, CM Punk, Rhea Ripley, and a special appearance from John Cena as part of his Retirement Tour. Kevin Lynn, Newsweek, 6 Jan. 2025 Set during New Year's Eve 1981, this quirky nostalgia piece stars a who's who of the late-'90s: Ben and Casey Affleck, Kate Hudson, Christina Ricci, Dave Chappelle, Janeane Garofalo, Martha Plimpton, Paul Rudd, Gaby Hoffmann, and Courtney Love. Kate Stroup, EW.com, 31 Dec. 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

Dictionary Entries Near who's who

Cite this Entry

“Who's who.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/who%27s%20who. Accessed 7 Feb. 2025.

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