15
insidious(adjective, smooth, false, dishonest, deceitful)
15
underhand(adjective, mean, smooth, smart, honest)
14
evasive(adjective, dishonest, deceitful, tricky, untrustworthy)
13
disingenuous(adjective, honest, false, dishonest, cunning)
13
false(noun, adjective, wrong, dishonest, cunning)
13
untrustworthy(adjective, false, dishonest, cunning, deceitful)
12
designing(adjective, mean, smooth, smart, false)
11
clever(adjective, cunning, deceitful, knowing, sly)
11
conniving(adjective, mean, smooth, smart, false)
11
double-dealing(noun, adjective, mean, smooth, wrong)
11
duplicitous(adjective, honest, false, dishonest, deceitful)
11
furtive(adjective, mean, smooth, smart, dishonest)
10
insincere(adjective, false, dishonest, cunning, deceitful)
10
sharp(adjective, mean, smooth, keen, smart)
10
unreliable(adjective, wrong, false, true, dishonest)
9
dubious(adjective, weak, corrupt, uncertain, dishonest)
9
fraudulent(adjective, false, corrupt, dishonest, cunning)
9
perfidious(noun, adjective, wrong, false, dishonest)
9
questionable(adjective, corrupt, dishonest, deceitful, dubious)
9
smooth(adjective, mean, sharp, cunning, deceitful)
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APASmart Define. (2015). shifty thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/shifty/thesaurus/synonyms
ChicagoSmart Define. 2015. "shifty thesaurus" https://smartdefine.org/shifty/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, shifty thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/shifty/thesaurus/synonyms>.
MLASmart Define. "shifty thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/shifty/thesaurus/synonyms>