90 entries under deceitful topic. ×

8
false(adjective, dishonest, vague, slick)
6
perfidious(adjective, false, corrupt, dishonest)
6
shady(adjective, corrupt, dishonest, cunning)
6
sneaking(adjective, mean, honest, dishonest)
6
two-faced(adjective, false, corrupt, dishonest)
5
hypocritical(adjective, false, dishonest, slick)
4
faithless(adjective, false, dishonest, slick)
4
keen(adjective, smooth, sharp, smart, bright)
4
manipulative(adjective, negative, shrewd, wily)
4
mendacious(adjective, false, dishonest, dubious)
3
fraudulent(adjective, false, dishonest, cunning)
3
indirect(adjective, false, dishonest, cunning)
3
mean(adjective, smooth, dishonest, cunning)
3
misleading(adjective, false, artful, slippery)
3
oblique(false, dishonest, cunning, vague)
3
streetwise(adjective, smooth, keen, sharp, smart)
3
undercover(adjective, quiet, dishonest, cunning)
3
unprincipled(adjective, corrupt, dishonest, immoral)
3
untruthful(adjective, false, dishonest, dubious)
2
ambidextrous(false, dishonest, slick, hypocritical)
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APASmart Define. (2016). sly thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sly/thesaurus/synonyms
ChicagoSmart Define. 2016. "sly thesaurus" https://smartdefine.org/sly/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, sly thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sly/thesaurus/synonyms>.
MLASmart Define. "sly thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/sly/thesaurus/synonyms>