unfaithfuladj.
英 ʌn'feɪθfʊl; -f(ə)l | 美 ʌn'feθfl
中文adj. 不忠实的；不诚实的；不准确的
词根词源
unfaithful (adj.)mid-14c., "acting falsely," from un- (1) "not" + faithful. In Middle English it also had a sense of "infidel, unbelieving, irreligious" (late 14c.). Sense of "not faithful in marriage" is attested from 1828. Related: Unfaithfully; unfaithfulness.
关键词