Phrase guide

who's who in the zoo

noun · 1 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

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1

noun

Meaning 1

The identities and roles of people in an organisation or area.

Definition source: English Wiktionary via Wiktextract

Usage: informal

Examples

  • When you join a company, it's important to start by learning who's who in the zoo.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Likely in reference to Who's Who, the British publication of biographies for the upper class, first published in 1849. Numerous works titled Who's Who In the Zoo? have been published describing animals in specific or generic zoos.