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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

About 120 guests sardined into the modest backyard of Sonenshein’s Santa Monica childhood home, with a veritable who’s who of the L.A. restaurant scene doing double duty as attendees and vendors.

From Los Angeles Times • Apr. 28, 2026

"He knows my players, he's well aware of who's who, and some of them still can't get their head around that when I tell them."

From Barron's • Feb. 25, 2026

Dunkin’ and endorser Ben Affleck, meanwhile, generated more engagement than any other celebrity spot by casting its “Good Will Hunting” parody with a who’s who of hit ’90s sitcoms including “Friends,” “Seinfeld” and “Family Matters.”

From The Wall Street Journal • Feb. 9, 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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