96 entries under unprincipled topic. ×

2
untrustworthy(adjective, dishonest, immoral, rotten, fickle)
2
vicious(adjective, bad, wrong, evil, corrupt)
1
crafty(corrupt, dishonest, cunning, deceitful, crooked)
1
debauched(adjective, wrong, corrupt, wicked, dishonest)
1
double-dealing(adjective, corrupt, dishonest, immoral, rotten)
1
duplicitous(dishonest, cunning, deceitful, fickle, untrustworthy)
1
flimflam(adjective, wrong, dishonest, immoral)
1
fly-by-night(adjective, wrong, dishonest, immoral)
1
inconstant(adjective, dishonest, immoral, rotten, fickle)
1
indecent(adjective, bad, wrong, evil, rude)
1
lubricious(adjective, dishonest, cunning, fickle, untrustworthy)
1
mercentary(corrupt, dishonest, immoral, fickle, untrustworthy)
1
risqué(wrong, rude, corrupt, wicked, vulgar)
1
salacious(adjective, wrong, rude, corrupt, wicked)
1
stop-at-nothing(corrupt, dishonest, immoral, fickle, untrustworthy)
1
sub-rosa(dishonest, cunning, deceitful, fickle, untrustworthy)
1
undutiful(wicked, immoral, deceitful, fickle, untrustworthy)
1
unfaithful(adjective, wicked, dishonest, immoral, deceitful)
1
wanton(corrupt, dishonest, immoral, shocking, fickle)
0
adulterine(fickle, untrustworthy, dirty-dealing)
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APASmart Define. (2015). unethical thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unethical/thesaurus/synonyms
ChicagoSmart Define. 2015. "unethical thesaurus" https://smartdefine.org/unethical/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, unethical thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unethical/thesaurus/synonyms>.
MLASmart Define. "unethical thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/unethical/thesaurus/synonyms>