COOPERATED Synonyms: 58 Similar and Opposite Words

cooperated

verb

past tense of cooperate

as in collaborated

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

Relevance

as in united

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 cooperated In Nebraska, millions of federal grant dollars have flowed to a statewide health information exchange nonprofit that has cooperated with the effort. — Jennifer D. Oliva, The Conversation, 17 Aug. 2026 The driver, a woman, remained at the scene and cooperated with the investigation. — Jason Green, Mercury News, 12 Aug. 2026 Luckily, weather cooperated for the eclipse chasers on the MS Spitsbergen on the HX Expeditions eclipse voyage in Scoresby Sund, Greenland. — Anthony Wood, Space.com, 12 Aug. 2026 The State Department said Tecnotex has worked to refurbish Cuba’s Russian-origin helicopter fleet and has previously cooperated with North Korea. — Nora Gámez Torres, Miami Herald, 6 Aug. 2026 In a Facebook statement, Cole said her son fully cooperated with investigators and denied allegations that the family had interfered with the investigation. — Anthony Thompson, USA Today, 6 Aug. 2026 Edwards cooperated with the committee's investigation, which included 16 witness interviews, including the congressman himself, and over 1,500 pages of evidence. — Barbara Sprunt, NPR, 3 Aug. 2026 The driver of the Ford is not being identified at this time, and has cooperated with the investigation, police said. — Stephen Underwood, Hartford Courant, 1 Aug. 2026 The Giants’ investigation into the accident has been slowed because Bader has not fully cooperated with club officials, according to a source who has been briefed on the matter and spoke on condition of anonymity for their candor. — Andrew Baggarly, New York Times, 1 Aug. 2026

Recent Examples of Synonyms for cooperated

Verb

Ball, who collaborated with two camera operators and two assistants on Tucci in Italy, then designed shots as unobtrusive as possible so the contributors could feel comfortable.

— Matthew Jacobs, HollywoodReporter, 23 Aug. 2026
Geneticist Shai Carmi, an associate professor at the Hebrew University of Jerusalem, has collaborated on an unpublished analysis of another grave from the same cemetery but was not involved in the research on Zosia.

— Katie Hunt, CNN Money, 21 Aug. 2026

Definition of collaborated

Verb

Yet these subjects are often united by a kind of nostalgia—or more precisely, the kind of nostalgia induced by pop culture artifacts.

— Geoffrey O’Brien, The New York Review of Books, 22 Aug. 2026
Her five siblings, citing a tag-along provision and majority vote, are united in selling, while Jeanie references a 2017 court ruling requiring co-trustee approval.

— Bryan Toporek, Forbes.com, 21 Aug. 2026

Definition of united

Verb

The nonprofit Ebell Club was chartered and federated on March 9, 1984, and since that time, members have raised more than $300,000 for numerous philanthropies both within the community and national organizations.

— Sharon Hlapcich, Oc Register, 17 Feb. 2026
The order covers federated IT systems and mission platforms across all services.

— Aamir Khollam, Interesting Engineering, 13 Jan. 2026

Definition of federated

Verb

In Ecuador, local criminal gangs allied with Colombian and Mexican cartels manage the routes and ship the narcotics, 80% of which originate in Colombia and the rest in Peru.

— CNN Money, CNN Money, 13 Aug. 2026
Ecuador National Police via AP In Ecuador, local criminal gangs allied with Colombian and Mexican cartels manage the routes and ship the narcotics, 80% of which originate in Colombia and the rest in Peru.

— CBS News, CBS News, 13 Aug. 2026

Definition of allied

Verb

Still, despite not having many sensors, Tesla’s Grok chatbot — developed by Musk’s xAI, which merged with SpaceX earlier this year — also felt its brand has the superior system, which is true for many driving situations, at least for now.

— Michael Wayland, CNBC, 15 Aug. 2026
Last year, SpringHill Company merged with British TV and film production house Fulwell 73.

— Tony Maglio, HollywoodReporter, 15 Aug. 2026