un·​co·​op·​er·​at·​ive | \ ˌən-kō-ˈä-p(ə-)rə-tiv How to pronounce uncooperative (audio) , -ˈä-pə-ˌrā-\

Definition of uncooperative

: marked by an unwillingness or inability to work with others : not cooperative the suspect was uncooperative with investigators an uncooperative witness … he wonders whether it would be such a bad thing if their uncooperative nanny quit …— Caitlin Flanagan also : providing difficulty struggled with an uncooperative corkscrew uncooperative weather

Examples of uncooperative in a Sentence

Recent Examples on the Web

Police said Wiggin was initially uncooperative, but officers found the box in her car. Olivia Quintana, BostonGlobe.com, "Hyannis woman arrested for stealing items at fundraiser honoring Sgt. Sean Gannon," 24 June 2018 But the passenger, 61-year-old Paul Askins, was uncooperative, didn't provide his legal name or date of birth, and when asked to step out of the vehicle, pointed a pistol at deputies. Travis Fedschun, Fox News, "Man pulls gun on Colorado deputies during traffic stop, dramatic body camera video shows," 18 Sep. 2018 China also increasingly offers funding to American think tanks willing to portray their nation in a positive light, and blocks uncooperative researchers from obtaining access to Chinese society. William A. Galston, WSJ, "Roll Back China’s Soft-Power Campaign," 4 Dec. 2018 Perhaps Manafort’s cooperation relates to those answers, and Mueller is waiting to have the answers in hand before revealing how cooperative or uncooperative Manafort is being. Andrew Prokop, Vox, "The drama over Trump answering Mueller’s questions, explained," 20 Nov. 2018 That could be a problem if that original publisher is defunct, uncooperative, or simply hasn't held on to that code. Kyle Orland, Ars Technica, "Researchers can now legally restore “abandoned” online game servers," 29 Oct. 2018 The report goes on to state that Marrow became uncooperative and that that’s when the struggle started. Yesha Callahan, The Root, "Police Caught on Camera Physically Assaulting Former NFL Player Desmond Marrow," 27 Apr. 2018 Authorities said that the suspect became uncooperative after presenting officers with his ID and fled northbound on Highway 65 toward Marysville, leading to a pursuit by Wheatland police. Barbara Harvey, sacbee, "Yuba County Sheriff's K-9 will likely survive Friday shooting, department says | The Sacramento Bee," 7 Apr. 2018 Police said Ramos was initially uncooperative and was not carrying any identification, so there was a delay in identifying him. BostonGlobe.com, "We can’t afford to replace empathy with apathy," 29 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'uncooperative.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of uncooperative

1799, in the meaning defined above

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Last Updated

29 Apr 2019

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The first known use of uncooperative was in 1799

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English Language Learners Definition of uncooperative

: not willing to do what someone wants or asks for : not cooperative


un·​co·​op·​er·​a·​tive | \ ˌən-kō-ˈä-pə-rə-tiv\

Kids Definition of uncooperative

: not showing a desire to act or work with others in a helpful way

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