who's who

2 ENTRIES FOUND:

who's who

noun, often capitalized both Ws \ˌhüz-ˈhü\

Definition of WHO'S WHO

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

First Known Use of WHO'S WHO

1917

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