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
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.
Comedian Wanda Sykes courted a who's who of A-listers during the pandemic to bring a WNBA team to Philadelphia. Isaac Avilucea, Axios, 18 Dec. 2024 In the years since, a who's who of Americana, blues country, folk, gospel and rock superstars have recorded with the now trio. Marcus K. Dowling, The Tennessean, 1 Nov. 2024

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 4 Jan. 2025.

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