350 entries under adjective topic. ×

7
crafty(false, dishonest, cunning, deceitful)
7
disreputable(low, false, immoral, deceitful)
7
fallible(uncertainty, unpredictable, unreliable, fickle)
7
fraudulent(false, dishonest, immoral, cunning)
7
insecure(uncertain, nervous, doubtful, dubious)
7
lying(bad, false, dishonest, cunning)
7
precarious(uncertainty, unreliable, insecure, treacherous)
6
capricious(weak, careless, loose, foolish)
6
cunning(false, dishonest, deceitful, lying)
6
double-dealing(mean, base, false, dishonest)
6
duplicitous(mean, bad, base, false)
6
mendacious(false, dishonest, cunning, deceitful)
6
shaky(unreliable, insecure, treacherous, incalculable)
6
unassured(uncertain, nervous, dishonest, doubtful)
5
deceiving(mean, bad, evil, false)
5
feckless(careless, immoral, thoughtless, reckless)
5
iffy(uncertain, nervous, doubtful, dubious)
5
inconstant(false, dishonest, immoral, dubious)
5
sharp(dishonest, deceitful, unreliable, dependable)
5
sly
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APASmart Define. (2016). untrustworthy thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/untrustworthy/thesaurus/synonyms
ChicagoSmart Define. 2016. "untrustworthy thesaurus" https://smartdefine.org/untrustworthy/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, untrustworthy thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/untrustworthy/thesaurus/synonyms>.
MLASmart Define. "untrustworthy thesaurus" 14 March 2016. Web. 30 September 2026. <https://smartdefine.org/untrustworthy/thesaurus/synonyms>