zoo

1 of 2

noun

plural zoos
1
: a facility with usually indoor and outdoor settings where living, typically wild animals are kept especially for public exhibition

called also zoological garden, zoological park

2
: a place, situation, or group marked by crowding, confusion, or unrestrained behavior
The convention was a zoo.

zoo-

2 of 2

combining form

variants or before a vowel zo-
1
: animal : animal kingdom or kind
zooid
zoology
2
: motile
zoospore

Examples of zoo in a Sentence

Noun The sixth grade classroom was a zoo after recess. The supermarket was a real zoo on the night before the storm.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Elsa Lanchester’s performance as the hissing, glamorous Bride — which was inspired, in part, by swans at the zoo — is fabulous as well, making a legendary impression with only seven minutes of screen time. Katie Rife, Entertainment Weekly, 30 Oct. 2025 Nearly 200,000 workers are employed in animal care and services, including kennel attendants, groomers, stable hands, zoo keepers and animal trainers. Liz O'Connell, MSNBC Newsweek, 30 Oct. 2025 In addition to offering candy that ships directly to consumers, Candy Warehouse also serves businesses such as hotels and resorts, hospitals and healthcare facilities, zoos and theme parks, as well as candy shops and retailers, among others, according to its website. Gabe Hauari, USA Today, 30 Oct. 2025 My local zoo installed a glass about 85 degrees slant, bottom towards the building to reflect the energy away. Jordan Greene, PEOPLE, 29 Oct. 2025 See All Example Sentences for zoo

Word History

Etymology

Noun

short for zoological garden

Combining form

borrowed from Greek zōo-, zōio-, combining form from zôion "animal," derivative from the base of zṓō, zṓein (Homeric), zô, zên (Attic) "to be alive, live," going back to Indo-European *gwi̯éh3-(u)- "live" (whence also Tocharian B śāyau "[I] live"), full grade of a stem attested elsewhere with zero grade as *gwih3-u-, whence Latin vīvō, vīvere "to live," Old Church Slavic živǫ, žiti, Old Prussian giwa "(s/he) lives," Latvian dzīvu "(I) live," Sanskrit jīvati "(s/he) lives," Avestan juuaiti

Note: See also bio-, quick entry 1.

First Known Use

Noun

1835, in the meaning defined at sense 1

Time Traveler
The first known use of zoo was in 1835

Browse Nearby Words

Cite this Entry

“Zoo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/zoo. Accessed 4 Nov. 2025.

Kids Definition

zoo

noun
plural zoos
: a garden or park where living usually wild animals are kept for showing to the public

More from Merriam-Webster on zoo

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