who's who Hear it!

who's who Definition

who's who

noun

  1. Etymology: prob. < Who's Who, a trademarked book title

    a book or list of short biographies of prominent persons of a certain place, profession, etc.
  2. the most important people or the elite, as of a certain profession

Browse dictionary entries near who's who

  1. ‹ who's
  2. ‹ who're
  3. ‹ who'll
  4. ‹ who'd
  5. ‹ who cares?
  6. ‹ who
  7. ‹ whiz kid
  8. ‹ whiz-bang
  9. ‹ whiz
  10. ‹ whity
  1. who've ›
  2. whoa ›
  3. whodunit ›
  4. whoever ›
  5. Whois ›
  6. Whois Databases ›
  7. whole ›
  8. whole blood ›
  9. whole gale ›
  10. whole-hog ›