Englishunfaithful
adjective
1 she found out that her husband had been unfaithful:
adulterous, faithless, fickle, untrue, inconstant, flighty;
informal cheating, two-timing.
▷antonyms faithful.
2 you have proved to be an unfaithful member of this community:
disloyal, treacherous, traitorous, untrustworthy, unreliable, undependable, false, false-hearted, faithless, perfidious, insincere, two-faced, Janus-faced, back-stabbing, double-crossing, double-dealing, deceitful;
archaic recreant.
▷antonyms loyal.
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unfaithful wife/husband boyfriend/girlfriend lover partner | disloyal subject friend citizen employee | seditious conspiracy act literature ideas |
unfaithful Oxford Dictionary of English