Synonyms: unfaithful
Definition: not trustworthy
Usage: an unfaithful reproduction
Similar words: inaccurate
Definition: not exact
Usage: an inaccurate translation; the thermometer is inaccurate
Synonyms: unfaithful
Definition: not true to duty or obligation or promises
Usage: an unfaithful lover
Similar words: apostate
Definition: not faithful to religion or party or cause
Similar words: treacherous, perfidious, punic
Definition: tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans
Usage: Punic faith; the perfidious Judas; the fiercest and most treacherous of foes; treacherous intrigues
Similar words: untrue
Definition: not true to an obligation or trust
Usage: is untrue to his highest opportunity and duty-Bruno Laske
Synonyms: unfaithful
Definition: having sexual relations with someone other than your husband or wife, or your boyfriend or girlfriend
Usage: her husband was unfaithful
Similar words: two-timing, adulterous, cheating
Definition: not faithful to a spouse or lover
Usage: adulterous husbands and wives; a two-timing boyfriend
Synonyms: treasonable, treasonous, unfaithful, traitorous, faithless
Definition: having the character of, or characteristic of, a traitor
Usage: the faithless Benedict Arnold; a lying traitorous insurrectionist
Similar words: disloyal
Definition: deserting your allegiance or duty to leader or cause or principle
Usage: disloyal aides revealed his indiscretions to the papers