Synonyms of cooperate

cooperate

verb

kō-ˈä-pə-ˌrāt 

1

as in to collaborate

to participate or assist in a joint effort to accomplish an end

conservation groups cooperated with state authorities to find a humane way to manage the area's overpopulation of deer

Synonyms & Similar Words

• collaborate
• unite
• join
• conspire
• concur
• concert
• play ball
• combine
• league
• pull together
• team (up)
• band (together)
• make common cause
• conjoin
• affiliate
• connive
• interface
• ally
• confederate
• associate
• hang together

2

as in to unite

to form or enter into an association that furthers the interests of its members

several industrialized nations cooperated in a trade agreement to reduce or eliminate tariffs

Synonyms & Similar Words

• unite
• collaborate
• merge
• federate
• organize
• coalesce
• cohere
• club
• confederate
• join
• ally
• consolidate
• converge
• pull together
• league
• associate
• close ranks
• band (together)
• combine
• incorporate
• conjoin
• amalgamate
• hang together
• unionize
• group
• affiliate
• link
• team (up)
• tie
• gang up
• conglomerate
• cabal
• knot
• wed

Antonyms & Near Antonyms

• disband
• split
• break up
• separate
• dissolve
• disengage
• segregate
• sever
• detach
• part
• divorce
• fall out
• alienate
• disunite
• sunder
• estrange

Example Sentences

Recent Examples of cooperate

As Morris was facing trial for Parker’s killing, Ezell Finklea, a 61-year-old military veteran and witness who cooperated with Miami-Dade prosecutors despite threats to his life, was gunned down. — Grethel Aguila, Miami Herald, 16 Oct. 2026

Police say the driver remained at the scene and cooperated with officers. — Dejanay Booth-Singleton, CBS News, 16 Oct. 2026

The three countries are also cooperating on an initiative to safeguard freedom of navigation in the Black Sea, which Bulgaria Prime Minister Radev plans to present to the European Union this week. — Jeremy Hsu, ArsTechnica, 15 Oct. 2026

In one case in Florida, a state where sheriff’s offices cooperate with immigration authorities, a deputy came upon a Venezuelan couple arguing in the street in November 2025. — Melissa Sanchez, ProPublica, 14 Oct. 2026