Meaning of “un-American” in the English Dictionary

british dictionary

"un-American" in British English

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un-Americanadjective

uk /ˌʌn.əˈmer.ɪ.kən/ us /ˌʌn.əˈmer.ɪ.kən/ US disapproving

guilty of activities, behaviour, or beliefs that show opposition or no loyalty to the US and its political system:

From 1940 to 1943, he was general counsel of the House committee investigating un-American activities.

(Definition of “un-American” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"un-American" in American English

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un-Americanadjective

us /ˌʌn·əˈmer·ɪ·kən/

showing opposition or a lack of support for the US and its political system:

It seems un-American to tell me how to run my business.

(Definition of “un-American” from the Cambridge Academic Content Dictionary © Cambridge University Press)

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