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.

McKay, who joined Royal Bank in 1983 as a co-op student in computer programming before moving into its retail banking arm, described it as a once-in-a-generation moment for Canada.

From The Wall Street Journal • Apr. 9, 2026

He had been president and chief executive since 1971, and when he left, the co-op was a $46-million business with more than 700 employees.

From Los Angeles Times • Apr. 8, 2026

I earn $100,000 and I’m currently shouldering the mortgage, maintenance — specific to a co-op — and normal kid expenses.

From MarketWatch • Mar. 9, 2026

Or made by the woman in your apartment building who has both a co-op volunteering shift and a single, long gray braid.

From Salon • Jan. 13, 2026

One day I’m going by the fish co-op when a big sport-fishing boat is unloading.

From "The Young Man and the Sea" by Rodman Philbrick

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