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Synonyms for Deceitful (same or very similar meaning)

WordNet sense 1 (intended to deceive):
fallacious, fraudulent

WordNet sense 2 (marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another):
ambidextrous, double-dealing, duplicitous, two-faced, double-faced, double-tongued, Janus-faced


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