Phrase guide

who's who

noun · 7 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˌhuːz ˈhuː/
  • Australia: Recorded audio is listed in the source snapshot.
  • rhymes with -uː

1

noun

Meaning 1

A publication containing biographies of well-known or important people.

Definition source: English Wiktionary via Wiktextract

Usage: capitalized, countable, sometimes

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A list of notable, famous, or upper-class people.

Definition source: English Wiktionary via Wiktextract

Usage: countable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Collectively, the elite class.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A person appearing in a Who's Who publication.

Definition source: English Wiktionary via Wiktextract

Usage: countable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A celebrity or famous person, someone likely to be in such a publication.

Definition source: English Wiktionary via Wiktextract

Usage: countable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

The 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.

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

Alternative form of who's who.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Who's Who, the British publication of biographies for the upper class, first published in 1849.

Across languages

Translations

5 source translations are retained for this English entry.

  • Danish: blå bog — publication containing biographies of well-known or important people
  • Danish: Kraks blå bog — publication containing biographies of well-known or important people
  • Hungarian: ki kicsoda — publication containing biographies of well-known or important people
  • Norwegian: hvem som er hvem — publication containing biographies of well-known or important people
  • Russian: кто есть кто (kto jestʹ kto) — publication containing biographies of well-known or important people