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Definitions

who's who

NOUN
upper class group
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“So how does the system know who’s who? And when it flags someone — is it a human decision or just an algorithm flipping a switch?”

From Los Angeles Times • May 4, 2026

In the comments section of Skylight’s post announcing the big news, the who’s who of L.A.’s literati popped the proverbial champagne.

From Los Angeles Times • Apr. 16, 2026

A who's who of stars are set to appear, including multiple Grammy Award winner Mariah Carey and Italian tenor Andrea Bocelli.

From BBC • Feb. 6, 2026

That list reads like a who's who of showbiz, from composers Richard Rodgers and Alan Menken to actresses Audrey Hepburn and Whoopi Goldberg to singers John Legend and Jennifer Hudson.

From Barron's • Feb. 2, 2026

I mean, everyone’s smiling and laughing and trying to guess who’s who behind what mask.

From "Free Lunch" by Rex Ogle




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