3
scheming
3
shifting
3
speculative
3
tottery(adjective, unstable)
3
unfair(adjective, false, deceitful, lying, untruthful)
3
volatile(adjective, uneven, unbalanced, unhinged)
3
wicked(adjective, mean, bad, base, false)
2
Janus-faced
2
amoral(adjective, fickle, unprincipled)
2
apathetic(adjective, dubious, lazy, suspicious, unfaithful)
2
apostate(adjective, mean, bad, evil, base)
2
bent(adjective, false, dishonest, immoral, deceitful)
2
careless(adjective, weak, loose, foolish, thoughtless)
2
chancy(uncertain, dishonest, doubtful, unreliable, insecure)
2
changeable(adjective, weak, false, loose, uncertain)
2
changeful(adjective, false, dishonest, dubious, fickle)
2
conniving(adjective, dishonest, deceitful, dubious, shrewd)
2
conscienceless
2
controvertible
2
derelict(adjective, careless, negligent)
10 years ago|19k views|share |citing 
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>