Meaning of “who's who” in the English Dictionary


"who's who" in English

See all translations

who's who

the people who are most important in a particular group

Who's Who

a book containing information about the world's richest or most famous people:

The guest list reads like a Who's Who of top American businessmen.

(Definition of “who's who” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)