19
two-faced(noun, adjective, wrong, false, corrupt)
19
insincere(adjective, fake, false, counterfeit, dishonest)
19
perfidious(noun, adjective, wrong, false, dishonest)
18
disingenuous(adjective, false, dishonest, falsehood, slick)
18
counterfeit(noun, adjective, fake, deception, false)
18
crooked(adjective, mean, smooth, fake, smart)
17
designing(adjective, mean, smooth, smart, false)
17
guileful(adjective, mean, smooth, wrong, smart)
17
mendacious(noun, adjective, wrong, fake, honest)
16
lying(noun, adjective, wrong, fake, honest)
16
sneaky(adjective, mean, smooth, smart, false)
15
scheming(adjective, mean, dishonest, cunning, sly)
14
ambidextrous(adjective, false, dishonest, lying, double)
14
deceiving(adjective, wrong, fake, deception, false)
14
faithless(noun, adjective, false, dishonest, immoral)
14
slippery(adjective, false, dishonest, cunning, lying)
14
spurious(adjective, wrong, fake, false, counterfeit)
14
untruthful(noun, adjective, wrong, fake, honest)
13
sharp(adjective, mean, smooth, smart, false)
12
evasive(adjective, false, dishonest, cunning, dubious)
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APASmart Define. (2016). deceitful thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/deceitful/thesaurus/synonyms
ChicagoSmart Define. 2016. "deceitful thesaurus" https://smartdefine.org/deceitful/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, deceitful thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/deceitful/thesaurus/synonyms>.
MLASmart Define. "deceitful thesaurus" 14 March 2016. Web. 23 September 2026. <https://smartdefine.org/deceitful/thesaurus/synonyms>