English Reference

Word

compliant

Phoneticscom·pli·ant, stress on the second syllable

US/kəmˈpɫaɪənt/

UK/kəmplˈaɪənt/

Definitions

01following rules or laws

B2 · Upper Intermediate

adj. following a set of rules, laws, or technical standards.

adj. meeting or adhering to specific requirements, regulations, or standards. Often used in legal, corporate, or technical contexts.

“The new factory must be fully compliant with all safety regulations.”

“The audit revealed that the software was not compliant with the latest data protection laws, necessitating an immediate system overhaul.”

Synonyms

conformantadherent

Antonyms

non-compliantdefiant

02obedient or submissive

C1 · Advanced Formal

adj. willing to do what other people want you to do without arguing.

adj. disposed to agree with others or obey rules, sometimes to an excessive or submissive degree.

“The government preferred a compliant press that did not ask difficult questions.”

“The negotiator found the opposing party surprisingly compliant, which made him suspicious of their long-term intentions.”

Synonyms

03flexible or yielding

C2 · Proficiency Science Technical

adj. able to bend or change shape easily under pressure.

adj. yielding to physical pressure; having the property of compliance in a mechanical sense.

“The robot has compliant joints that allow it to move more like a human.”

“Engineers selected a more compliant material for the seal to ensure it would deform sufficiently under high pressure.”

Synonyms

Antonyms

Collocations

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

01. compliant with all legislation

Real-World Examples

“The review , external of the most recent and best quality evidence to date applies to regulated vapes that are checked for quality and compliant with strict safety laws.”
BBC News 25 Aug 2026
“The 17-year-old’s family said he was travelling to his aunty’s house and was “compliant and polite during the entire incident”.”
The Guardian 25 Aug 2026

Etymology

From comply + -ant.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

ADJECTIVE

compliant(B2)

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
Frequent
Level
B2 · Upper Intermediate
Updated

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English Reference