How to Use who's who in a Sentence

who's who

noun
  • Nash-Betts breaks the who's who down for us.
    — Lauren Huff, Entertainment Weekly, 4 Sep. 2025
  • The trick here and elsewhere is not to ask who's who or what's what.
    — Malcom Forbes Special To The Star Tribune, Star Tribune, 23 Apr. 2021
  • By the time the polish had worn off, the zookeepers knew who is who.
    — Meg Jones, Milwaukee Journal Sentinel, 18 Mar. 2020
  • Bust out this card game at your next get-together with to see who's who.
    — Amanda Garrity, Good Housekeeping, 25 Jan. 2023
  • So the who's who, the guys who have taken some crazy chances out there and done some wild stuff.
    — Natasha Dye, Peoplemag, 21 Mar. 2024
  • Speaking of coaches, the men on the sideline were a who's who.
    — Don Williams, USA TODAY, 12 July 2020
  • Knowing who's who and what's what could be your special power at this time.
    — Tarot Astrologers, chicagotribune.com, 11 Feb. 2022
  • This ghost-face just starts killing people and the whole city just starts going crazy and doesn't know who is who.
    — Michael Saponara, Billboard, 16 Feb. 2018
  • The cast reads like a who's who of our favorite period dramas.
    — Caroline Hallemann, Town & Country, 5 Aug. 2019
  • The who's who from all industries wow with the most outrageous looks of the year.
    — Victoria Hernandez, USA TODAY, 2 May 2023
  • Casting is in the early stages for a who's who of Batman's rogue gallery.
    — Borys Kit, The Hollywood Reporter, 23 Sep. 2019
  • For an interactive guide to who's who in tonight's debate, go here.
    — NBC News, 27 June 2019
  • Swoveland explained who was who in the mural in that Outsmart piece.
    — Craig Hlavaty, Houston Chronicle, 22 June 2018
  • If your head is spinning trying to keep up with who's where (and who's who) in high school football this fall, don't fret.
    — Jacob Shames, The Tennessean, 21 Aug. 2025
  • Need a refresher on who's who at Sacred Heart?
    — Mekishana Pierre, Entertainment Weekly, 3 Oct. 2025
  • The brief filed Thursday is a who's who of the country's top economic minds.
    — Steve Kopack, NBC news, 25 Sep. 2025
  • The two pics on the left are of the singer while the right are Cole and Dylan (don't ask me who's who).
    — Carolyn Twersky, Seventeen, 3 Sep. 2019
  • This year's expo celebrity guest list reads like a who's who of Hollywood.
    — Brett Weiss, star-telegram, 3 Apr. 2018
  • The list of performers reads like a who's who of rock n' roll, some at the beginning of their careers.
    — Dawn Mitchell, Indianapolis Star, 1 June 2018
  • Peat is a 15-year-old sophomore with a who's who of major colleges after him.
    — Richard Obert, The Arizona Republic, 7 Dec. 2022
  • And the list happens to be a who's who of some of the world's most appealing destinations.
    — USA TODAY, 16 June 2018
  • Hundreds of fans gave their best attempt at guessing who's who in the comments section of the photo.
    — Danielle Harling, House Beautiful, 18 July 2021
  • And while winter is the time to warm up with the who's who of the après ski scene, summer is, in its own way, even more exciting.
    — Nina Ruggiero, Travel + Leisure, 12 May 2022
  • Trump will host a dinner for the Saudi leader on Tuesday night with a who's who of guests.
    — Mariam Khan, ABC News, 18 Nov. 2025
  • The reception was packed with a who's who and just as the doors opened, the crowd divided like the Red Sea.
    — Arkansas Online, 15 Feb. 2026
  • In the years since, a who's who of Americana, blues country, folk, gospel and rock superstars have recorded with the now trio.
    — Marcus K. Dowling, The Tennessean, 1 Nov. 2024
  • The guest judges for Netflix's Next In Fashion are a real who's who in fashion.
    — Shannon Carlin, refinery29.com, 30 Jan. 2020
  • One of the most legendary was the bar and restaurant Elaine's, frequented by a local who's who of writers, actors and artists.
    — Charisse Jones, USA TODAY, 28 Apr. 2023
  • Baldwin eschewed offers from a who's who of college programs to stay close to home and play for his father, the head coach of the Panthers.
    — Jr Radcliffe, Milwaukee Journal Sentinel, 1 Jan. 2022
  • With such a historic moment on the horizon, now's the perfect time to get reacquainted with who's who in the House of Bernadotte.
    — Lauren Hubbard, Town & Country, 10 Sep. 2023

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'who's who.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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