2
devil-may-care(adjective, careless, immoral, thoughtless, reckless)
2
disaffected(adjective, untrue, treacherous, unfaithful)
2
discreditable(adjective, shameful, disgraceful, disreputable)
2
disgraceful(adjective, dishonest, shameful, crooked, disreputable)
2
disingenuous
2
dissembling
2
endangered
2
erratic(adjective, weak, loose, uncertain, doubtful)
2
evil(adjective, mean, bad, wicked, dishonest)
2
fly by night(adjective, unreliable, insecure, treacherous, incalculable)
2
freakish
2
hesitant(adjective, uncertain, nervous, doubtful, insecure)
2
ignominious(adjective, dishonest, shameful, disgraceful, crooked)
2
indecisive(adjective, uncertain, nervous, doubtful, insecure)
2
iniquitous(adjective, dishonest, immoral, rotten, crooked)
2
low(adjective, corrupt, dishonest, shameful, disgraceful)
2
mercurial(adjective, uneven, unbalanced, unhinged)
2
mutable(adjective, uneven, unbalanced, unhinged, sneaky)
2
parlous
2
pretending(adjective, lying, misleading)
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>