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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.

Their customers and partners are a who’s-who of chip makers like Nvidia, Apple and Taiwan Semiconductor.

From Barron's • Feb. 17, 2026

The company, now led by U.S.-trained chip engineer Zhu Yiming, garnered support from a national tech fund and a who’s-who list of Chinese tech companies including Alibaba and Xiaomi.

From The Wall Street Journal • Jan. 12, 2026

The agreement brings together two unusually powerful forces in Los Angeles film culture: a who’s-who roster of A-list directors and, in the American Cinematheque, one of the city’s most visible and ambitious programming institutions.

From Los Angeles Times • Nov. 18, 2025

At $1,800 for a business-class ticket, the Colorado Convention Center's Bellco Theater is full on Friday night with the who's-who of a burgeoning psychedelics industry that's predicted to be worth $100 billion by 2030.

From Salon • Jun. 25, 2023

I dreamt of calling Ted up and inviting him to dinner, to one of those trendy who’s-who places, like Cafe Majestic or Rosalie’s.

From "The Joy Luck Club" by Amy Tan




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