nounπShare(sometimes capitalized) A publication containing biographies of well-known or important people."The library had several who's whos, allowing students to research famous scientists and inventors. "literaturemediapersonChat with AIVocabulary GamePractice Reading
nounπShareA list of notable, famous, or upper-class people."The gala was attended by the city's who's whos, including the mayor, several CEOs, and famous actors. "persongroupsocietyculturetitlelistorganizationChat with AIVocabulary GamePractice Reading
nounπShareCollectively, the elite class."At the charity gala, you could tell you were among the who's whos of the city by the extravagant outfits and expensive jewelry. "societypersongroupcultureChat with AIVocabulary GamePractice Reading
nounπShareA person appearing in a Who's Who publication."After the awards ceremony, several who's whos from the local business community mingled with the students. "personachievementsocietyChat with AIVocabulary GamePractice Reading
nounπShareA celebrity or famous person, someone likely to be in such a publication."The new restaurant opening was packed with who's whos from the local music scene. "personentertainmentmediacultureChat with AIVocabulary GamePractice Reading
nounπShareThe identities of specific people, understood in terms of such distinguishing characteristics as their backgrounds, prominence, achievements, jobs, etc., as a basis for comparing them and especially as a basis for ranking them within a social group."At the company holiday party, everyone was trying to figure out the who's who's of the management team and understand their roles and influence within the organization. "societyculturegrouppersonorganizationChat with AIVocabulary GamePractice Reading
