5
unreliable(adjective, wrong, false, true, dishonest)
4
immoral(adjective, corrupt, wicked, dishonest, contrary)
4
bent(adjective, fake, false, counterfeit, corrupt)
4
cagey(adjective, mean, smooth, cunning, dubious)
4
conniving(adjective, mean, smooth, smart, false)
4
deep(cunning, sly, crafty, devious)
4
dishonorable(adjective, mean, smooth, fake, corrupt)
4
dishonourable
4
dodgy
4
elusive(adjective, mean, smooth, smart, deception)
4
forged(adjective, fake, false, counterfeit, sham)
4
illusive(adjective, wrong, fake, deception, false)
4
intriguing(adjective, mean, smooth, cunning, knowing)
4
knowing
4
meretricious(adjective, wrong, fake, false, counterfeit)
4
pawky(adjective, cunning)
4
phoney orphony
4
serpentine(false, misleading, illusory)
4
snaky(adjective, false, dishonest, untrue, disloyal)
4
unctuous(adjective, false, wicked, immoral, lying)
10 years ago|32k views|share |citing 
APASmart Define. (2016). deceitful thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/deceitful/thesaurus/synonyms
ChicagoSmart Define. 2016. "deceitful thesaurus" https://smartdefine.org/deceitful/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, deceitful thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/deceitful/thesaurus/synonyms>.
MLASmart Define. "deceitful thesaurus" 14 March 2016. Web. 24 September 2026. <https://smartdefine.org/deceitful/thesaurus/synonyms>