uncooperative
adjective
un·co·op·er·at·ive
ˌən-kō-ˈä-p(ə-)rə-tiv 
-ˈä-pə-ˌrā-
: 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
Caitlin Flanagan
also
: providing difficulty
struggled with an uncooperative corkscrew
uncooperative weather
Examples of uncooperative in a Sentence
Recent Examples on the Web
Police statements said that Ashlee, 40, was allegedly uncooperative with authorities from early on in the investigation.
—Charlotte Phillipp, PEOPLE, 26 Dec. 2025
Buzzard had been uncooperative during the search and the investigation into Melodee's disappearance, sheriff's officials have said.
—Dennis Romero, NBC news, 23 Dec. 2025
She was fired from that position in part for creating division between management and unions and being uncooperative with an independent investigator, according to previous reporting from The Las Vegas Review Journal.
—Mathew Miranda
december 17, Sacbee.com, 17 Dec. 2025
The Civilian Office of Police Accountability closed that case because the witness was uncooperative.
—Darius Johnson, CBS News, 11 Dec. 2025
See All Example Sentences for uncooperative
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Charlotte Phillipp, PEOPLE, 26 Dec. 2025
Buzzard had been uncooperative during the search and the investigation into Melodee's disappearance, sheriff's officials have said.
—Dennis Romero, NBC news, 23 Dec. 2025
She was fired from that position in part for creating division between management and unions and being uncooperative with an independent investigator, according to previous reporting from The Las Vegas Review Journal.
—Mathew Miranda
december 17, Sacbee.com, 17 Dec. 2025
The Civilian Office of Police Accountability closed that case because the witness was uncooperative.
—Darius Johnson, CBS News, 11 Dec. 2025
See All Example Sentences for uncooperative
Cite this Entry
“Uncooperative.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uncooperative. Accessed 1 Jan. 2026.
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