who's who

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noun

a reference work containing short biographical entries on the outstanding persons in a country, industry, profession, etc.: a who's who in automotive engineering.

the outstanding or influential persons in a community, industry, profession, or other group: The who's who of racing will be there.

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Question 1 of 7

Fill in the blank: I can’t figure out _____ gave me this gift.

who

whom

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Origin of who's who

First recorded in 1840–50

Words nearby who's who

whosesoever, whosever, whosis, whoso, whosoever, who's who, WH-question, whr., whse., whsle., whs. stk.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use who's who in a sentence

“A guy drives up in a 2008 Mercedes, brand new,” Harry S. Connelly Jr. says in the video, according to the Times.
Are Police Stealing People’s Property?|Joan Blades, Matt Kibbe|January 2, 2015|DAILY BEAST
“Personal hotspots can get speeds of up to 60 Mb/s down, whereas hotel Wi-Fi can be as slow as 1.5 Mb/s,” Sesar said.
How ‘Ethical’ Hotel Chain Marriott Gouges Guests in the Name of Wi-Fi Security|Kyle Chayka|December 31, 2014|DAILY BEAST
In our headlong quest for a legally perfect society, we don’t take the time to take stock of what‘s been created so far.
Red Tape Is Strangling Good Samaritans|Philip K. Howard|December 27, 2014|DAILY BEAST
“The thing [North Korean government] want[s] the most is the non-release of this film,” Schiff said.
Obama Could Hit China to Punish North Korea|Shane Harris, Tim Mak|December 20, 2014|DAILY BEAST

A third cabinet member used public funds to pay in an S & M bar.
Japan’s Nasty Nazi-ish Elections|Jake Adelstein|December 12, 2014|DAILY BEAST
Ajoutez cecy, s'il vous plaist, la grande difficult qu'il y a de tirer d'eux les mots mesmes qu'ils ont.
The Jesuit Relations and Allied Documents, Vol. II: Acadia, 1612-1614|Various
Neantmoins le vieil Membertou, pere du malade, conceut asss l'affaire, et me promit qu'on s'arresteroit tout ce que j'en dirois.
The Jesuit Relations and Allied Documents, Vol. II: Acadia, 1612-1614|Various
En effet un soir, sa femme et enfans l'abandonnerent entierement, et s'en allerent cabaner ailleurs, pensant que c'en estoit vuid.
The Jesuit Relations and Allied Documents, Vol. II: Acadia, 1612-1614|Various
Mrs. S. said she was familiar with it from having heard Thomas's orchestra play it in New York.
Music-Study in Germany|Amy Fay
C'est asss demeur la maison; sortons un peu dehors, comme nous avons promis de faire, et racontons ce qui s'est pass par le pays.
The Jesuit Relations and Allied Documents, Vol. II: Acadia, 1612-1614|Various

British Dictionary definitions for who's who

who's who

noun

a book or list containing the names and short biographies of famous people

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Idioms and Phrases with who's who

who's who

The outstanding or best-known individuals of a group, as in Tonight's concert features a veritable who's who of musicians. This expression comes from the name of a famous reference work, Who's Who, first published in 1849, which contains biographical sketches of famous individuals and is regularly updated. Its name in turn was based on who is who, that is, the identity of each of a number of persons, a phrase dating from the late 1300s. [Early 1900s]

who's who

Origin of who's who

Words nearby who's who

Words related to who's who

How to use who's who in a sentence

British Dictionary definitions for who's who

Other Idioms and Phrases with who's who