Synonyms and Antonyms of treacherous
not true in one's allegiance to someone or something a treacherous “friend,” she's been known to turn against people in the blink of an eye Synonyms disloyal, false, fickle, inconstant, perfidious, recreant, traitorous, faithless, unfaithful, untrueRelated Words irresponsible, trustless, undependable, unreliable, untrustworthy; faltering, hesitant, vacillating, wavering; dubious, irresolute, uncertain; apathetic, dispassionate, uninterestedNear Antonyms dependable, dutiful, reliable, responsible, solid, tried, tried-and-true, trustable, trustworthy, trusty; unfaltering, unhesitating, unwavering; determined, intent, resolute; confirmed, dyed-in-the-wool, inveterate, sworn; ardent, avid, enthusiastic, fervent, fervid, impassioned, passionateAntonyms constant, dedicated, devoted, devout, down-the-line, faithful, fast, loyal, staunch (also stanch), steadfast, steady, true
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