90 entries under deceitful topic. ×

2
unconscionable(adjective, corrupt, dishonest, immoral)
2
unethical(adjective, corrupt, dishonest, immoral, cunning)
1
concealed(adjective, dishonest, cunning, sneaky)
1
conscienceless(adjective, corrupt, dishonest, immoral)
1
delusory(false, misleading, artful, illusory)
1
dirty-dealing(corrupt, dishonest, immoral, cunning)
1
double-crossing(corrupt, dishonest, immoral, cunning)
1
fishy(false, dishonest, tricky, misleading)
1
greasy(cunning, crafty, slippery, devious)
1
on the QT(expression, idiom, dishonest, cunning)
1
on the quiet(expression, idiom, dishonest, cunning)
1
recreant(adjective, corrupt, dishonest, crooked)
1
salty(adjective, sharp, rude, coarse, vulgar)
1
snide(adjective, false, dishonest, slick)
1
two-timing(adjective, corrupt, dishonest, immoral, cunning)
1
unfair(corrupt, dishonest, cunning, unprincipled)
1
wry(adjective, smooth, cunning, subtle)
0
backhanded(false, dishonest, slick, hypocritical)
0
dirty dealing(expression, dishonest, underhanded)
0
dissimulating(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>