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

• commotion
• disturbance
• hurry
• stir
• fun
• turmoil
• racket
• fuss
• storm
• to-do
• noise
• hurricane
• pandemonium

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

The zoo is home to eight elephants, four of which are considered geriatric like Lois was, according to the release. —Noelle Alviz-Gransee, Kansas City Star, 22 Oct. 2025

Ron Magill, communications director at the zoo, told the Herald that the reptile was captured in Key Largo Monday night and was at the Miami-Dade facility Tuesday morning. —David Goodhue, Miami Herald, 21 Oct. 2025

Trick or treat coupons can be bought at most retail locations around the zoo and can be redeemed at treat stations throughout the park. —Ella Gonzales, Fort Worth Star-Telegram, 21 Oct. 2025

Jasiri and Azizi were the first African lions born at the Phoenix Zoo since 1976, the zoo told The Arizona Republic previously. —Jose R. Gonzalez, AZCentral.com, 21 Oct. 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