COOPERATE Synonyms: 57 Similar and Opposite Words

cooperate

verb

kō-ˈä-pə-ˌrāt

Definition of cooperate

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

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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

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

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 See All Example Sentences for cooperate

Recent Examples of Synonyms for cooperate

Verb

Artcraft is also working with the San Francisco Silent Film Festival, which began collaborating with Mockoski and Harris in 2025 on restorations from Paramount’s silent-era library.

— Lise Pedersen, Variety, 17 Oct. 2026
Southern Company, Idaho National Laboratory and CORE POWER are collaborating on the project through the department’s Advanced Reactor Demonstration Program.

— Aamir Khollam, Interesting Engineering, 16 Oct. 2026

Definition of collaborate

Verb

Kabila's new Front for the Refoundation of the Nation, or FRN, includes rebel groups formerly united under the Congo River Alliance, whose former leader Corneille Nangaa will serve as one of the new coalition's two vice presidents.

— Arkansas Online, Arkansas Online, 14 Oct. 2026
Kabila’s new Front for the Refoundation of the Nation, or FRN, includes rebel groups formerly united under the Congo River Alliance, whose former leader Corneille Nangaa will serve as one of the new coalition’s four vice presidents.

— Justin Kabumba, Los Angeles Times, 13 Oct. 2026

Definition of unite

Verb

In merging SpaceX with xAI in February, Musk combined his AI and social networking business with his rocket launch company, which also owns the Starlink satellite internet service.

— Lora Kolodny, CNBC, 16 Oct. 2026
The deal merges two major players in the wedding tech category.

— Emma Hinchliffe, Fortune, 16 Oct. 2026

Definition of merge

Browse Nearby Words

cooped (up)

cooperate

cooperated

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“Cooperate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cooperate. Accessed 21 Oct. 2026.

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Synonyms of cooperate

verb

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