Synonyms

co-op

American

[koh-op, koh-op, koh-op] / ˈkoʊ ɒp, ˈkoʊ ɒp, koʊˈɒp /

noun

a cooperative store, dwelling, program, etc.

verb (used with object)

co-oped, co-opped, co-oping, co-opping

to place in a cooperative arrangement, especially to convert (an apartment or building) to a cooperative.

adjective

(of a game, especially a video game) cooperative, requiring players to work together to achieve a common objective: co-op multiplayer games.

co-op play modes;
co-op multiplayer games.

idioms

go co-op, to convert to a cooperative.

Our apartment building is going co-op.

Other Word Forms

co-oper

noun

Etymology

Origin of co-op

First recorded in 1860–65; shortened form

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Property records show that fashion designer Vera Wang owns a unit inside the co-op, as does billionaire hedge fund manager Israel Englander.

From MarketWatch • Apr. 22, 2026

Because of his connection to the co-op, he was appointed equipment coordinator of the Everest climb, and REI agreed to keep him on the payroll during the expedition.

From Los Angeles Times • Apr. 8, 2026

The co-op has around 50 line workers and fiber technicians.

From The Wall Street Journal • Jan. 27, 2026

“Our whole system got at least an inch of ice,” said Keith Hayward, chief executive officer and general manager for the co-op.

From The Wall Street Journal • Jan. 27, 2026

There’s a little indie bookstore with tall, arched windows, a grocery co-op on the corner, and two guys walking down the sidewalk, holding hands.

From "Leah on the Offbeat" by Becky Albertalli

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023