un-American

adjective
un-Amer·i·can | \ ˌən-ə-ˈmer-ə-kən \

Definition of un-American 

: not American : not characteristic of or consistent with American customs, principles, or traditions

First Known Use of un-American

1818, in the meaning defined above

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The first known use of un-American was in 1818

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More Definitions for un-American

un-American

adjective

English Language Learners Definition of un-American

: not agreeing with American values, principles, or traditions

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