7
crafty(adjective, false, dishonest, cunning, deceitful)
7
disreputable(adjective, low, false, immoral, deceitful)
7
fallible(adjective, uncertainty, unpredictable, unreliable, fickle)
7
fraudulent(adjective, false, dishonest, immoral, cunning)
7
insecure(adjective, uncertain, nervous, doubtful, dubious)
7
lying(adjective, bad, false, dishonest, cunning)
7
precarious(adjective, uncertainty, unreliable, insecure, treacherous)
6
capricious(adjective, weak, careless, loose, foolish)
6
cunning(adjective, false, dishonest, deceitful, lying)
6
double-dealing(adjective, mean, base, false, dishonest)
6
duplicitous(adjective, mean, bad, base, false)
6
mendacious(adjective, false, dishonest, cunning, deceitful)
6
shaky(adjective, unreliable, insecure, treacherous, incalculable)
6
unassured(adjective, uncertain, nervous, dishonest, doubtful)
5
dangerous(insecure, risky, danger)
5
deceiving(adjective, mean, bad, evil, false)
5
feckless(adjective, careless, immoral, thoughtless, reckless)
5
hazardous(insecure, risky, danger, dangerous)
5
iffy(adjective, uncertain, nervous, doubtful, dubious)
5
inconstant(adjective, false, dishonest, immoral, dubious)
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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>