English Reference

Word

uncooperative

Phoneticsun·co·op·er·a·tive, stress on the third syllable

US/ənkoʊˈɑpɝətɪv/

UK/ʌnkəʊˈɒpəɹətˌɪv/

Definition

adj. not willing to help or work with others. You use it when someone refuses to answer, share, or join in.

adj. unwilling to help, collaborate, or comply with requests or rules. Often applied to people, groups, or behaviour that resist participation or obstruct joint action.

Examples

“The tired child becomes uncooperative at bedtime.”

“The witness remains uncooperative and refuses to answer the lawyer's basic questions in court.”

“When negotiations stalled, the normally polite committee grew openly uncooperative, withholding data and delaying every decision until its demands were addressed.”

Examples

simple

“The tired child becomes uncooperative at bedtime.”

contextual

“The witness remains uncooperative and refuses to answer the lawyer's basic questions in court.”

complex

“When negotiations stalled, the normally polite committee grew openly uncooperative, withholding data and delaying every decision until its demands were addressed.”

Collocations

Common phrases and expressions where native English speakers use the word “uncooperative” in context.

Verb

01. become uncooperative

“He became uncooperative when reporters asked about the missing funds.”

verb + adj

02. consider uncooperative

“Teachers considered him uncooperative because he avoided group work.”

verb + adj

03. describe as uncooperative

“The report described the authorities as uncooperative in the investigation.”

verb + prep + adj

04. find uncooperative

“Police found the witness uncooperative during the initial interview.”

verb + adj

Adjective

05. completely uncooperative

“The staff became completely uncooperative after the management changes.”

adv + adj

06. deliberately uncooperative

“The suspect was deliberately uncooperative and refused to answer questions.”

adv + adj

07. increasingly uncooperative

“The teenager grew increasingly uncooperative when asked about homework.”

adv + adj

08. adopt an uncooperative attitude

“If you adopt an uncooperative attitude, nobody will want to help you.”

09. be uncooperative with authorities

“He was uncooperative with authorities throughout the inquiry.”

10. become increasingly uncooperative

“The crowd became increasingly uncooperative after waiting for hours.”

11. deal with an uncooperative witness

“Police need special training to deal with an uncooperative witness.”

12. remain completely uncooperative

“Even with a lawyer present, he remained completely uncooperative.”

Usage

Usable both attributively before a noun ('an uncooperative witness') and predicatively after 'be' or 'become'.

Real-World Examples

“The FDA reserves the right to take action if a company is uncooperative or fails to implement timely corrections.”
Reuters 4 Oct 2024
“In response, Seldin and Kohlberg have alleged that Ishbia has been uncooperative in providing the financial documents they requested and has demonstrated a lack of transparency.”
The New York Times 14 Oct 2025
“A health provider may add a line stating that the patient is “noncompliant” or “non-adherent,” signaling that the patient has been uncooperative and may exhibit problematic behaviors.”
The New York Times 16 Feb 2022

Synonyms

Antonyms

Related words

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Occasional
Level
B2 · Upper Intermediate
Updated

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