zoo

1 of 2

noun

ˈzü 

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

Synonyms

Noun

• ado
• alarums and excursions
• ballyhoo
• blather
• bluster
• bobbery
• bother
• bustle
• clatter
• clutter [chiefly dialect]
• coil
• commotion
• corroboree [Australian]
• disturbance
• do [chiefly dialect]
• foofaraw
• fun
• furor
• furore
• fuss
• helter-skelter
• hoo-ha
• hoo-hah
• hoopla
• hubble-bubble
• hubbub
• hullabaloo
• hurly
• hurly-burly
• hurricane
• hurry
• hurry-scurry
• hurry-skurry
• kerfuffle [chiefly British]
• moil
• pandemonium
• pother
• row
• ruckus
• ruction
• rumpus
• shindy
• splore [Scottish]
• squall
• stew
• stir
• storm
• to-do
• tumult
• turmoil
• uproar
• welter
• whirl
• williwaw

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

Noun

Chicago Tribune The zoo’s management wanted to put Ziggy down, but Lewis begged that the sentence be commuted to life imprisonment, indoors. —Kori Rumore, Chicago Tribune, 26 Apr. 2025

When the reptiles arrived safely in Los Angeles, they were escorted to the zoo’s Jennings Veterinary Hospital for in-depth health assessments and quarantine. —Clara Harter, Los Angeles Times, 24 Apr. 2025

The family operates the zoo’s non-profit charity, Wildlife Warriors, and supports various global conservation projects worldwide, according to the Australia Zoo’s website. —Monica Mercuri, Forbes.com, 23 Apr. 2025

He can be seen hanging in the zoo’s orangutan habitat after being introduced to the other members of the group, officials said. —Paloma Chavez, Sacbee.com, 23 Apr. 2025

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 *g^wi̯éh₃-(u)- "live" (whence also Tocharian B śāyau "[I] live"), full grade of a stem attested elsewhere with zero grade as *g^wih₃-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

Phrases Containing zoo

• petting zoo

Rhymes for zoo

• blew
• blue
• boo
• brew
• chew
• chou
• clue
• coo
• coup
• crew
• cue
• dew

Kids Definition

zoo

noun

ˈzü 

plural zoos

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