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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Where other presentations emphasize nondescript techno music and straight-size models, Antonoff and Alexsandra showcased their designs through a who's who of celebrities, sporting their new looks while carrying shelter dogs available for adoption. Anna Kaufman, USA Today, 11 Sep. 2025 Nash-Betts breaks the who's who down for us. Lauren Huff, Entertainment Weekly, 4 Sep. 2025 From Dolly Parton to Willie Nelson, and from Blake Shelton to Kelsea Ballerini, the names of Grand Ole Opry members form a who's who of country music stars, past and present. Joyce Orlando, Nashville Tennessean, 27 Aug. 2025 The two were cuddled together watching the Eagles take on the Los Angeles Rams as Wyatt, 4, asked who's who on the field. Stephanie Sengwe, People.com, 26 Aug. 2025 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 13 Sep. 2025.

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