75 entries under immoral topic. ×

6
capricious(adjective, weak, careless, loose, foolish)
6
double-dealing(adjective, mean, base, false, dishonest)
5
feckless(adjective, careless, thoughtless, reckless)
5
inconstant(adjective, false, dishonest, dubious)
4
knavish(adjective, false, dishonest, cunning)
4
underhanded(adjective, mean, bad, base, false)
4
unpredictable(adjective, weak, careless, loose, foolish)
4
unprincipled(adjective, low, false, dishonest)
3
base(adjective, mean, bad, dishonest)
3
fast and loose(expression, adjective, idiom, dishonest)
2
bent(adjective, false, dishonest, deceitful)
2
devil-may-care(adjective, careless, thoughtless, reckless)
2
iniquitous(adjective, dishonest, rotten, crooked)
2
rash(adjective, careless, thoughtless, reckless)
2
rotten(adjective, dishonest, crooked, shady)
2
suspect(adjective, weak, uncertain, doubtful)
2
tainted(adjective, dishonest, rotten, crooked)
2
unaccountable(adjective, careless, thoughtless, reckless)
2
unethical(adjective, dishonest, rotten, fickle)
2
venal(adjective, mean, bad, base, dishonest)
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APASmart Define. (2016). untrustworthy thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/untrustworthy/thesaurus/synonyms
ChicagoSmart Define. 2016. "untrustworthy thesaurus" https://smartdefine.org/untrustworthy/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, untrustworthy thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/untrustworthy/thesaurus/synonyms>.
MLASmart Define. "untrustworthy thesaurus" 14 March 2016. Web. 1 October 2026. <https://smartdefine.org/untrustworthy/thesaurus/synonyms>