3
evasive
3
fake(adjective, bad, wrong, counterfeit, immoral)
3
graceless(adjective, corrupt, wicked, depraved)
3
improper(adjective, bad, wrong, rude, corrupt)
3
indecent(adjective, wrong, corrupt, wicked, depraved)
3
lascivious
3
mean(adjective, wrong, vile, unreasonable, improper)
3
outrageous(adjective, rude, corrupt, bold, improper)
3
recreant(adjective, false, corrupt, dishonest, immoral)
3
roguish(adjective, deceitful)
3
ruthless(adjective, honest, corrupt, vicious, dishonest)
3
traitorous(adjective, false, deceitful, lying, fickle)
3
unapologetic
3
unfair(adjective, bad, wrong, false, corrupt)
3
uninhibited(free, wild, unrestrained, uncontrolled, unimpeded)
3
unseemly(adjective, vice)
3
untruthful(adjective, false, corrupt, dishonest, deceitful)
2
abominable
2
artful
2
atrocious
11 years ago|16k views|share |citing 
APASmart Define. (2015). unprincipled thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unprincipled/thesaurus/synonyms
ChicagoSmart Define. 2015. "unprincipled thesaurus" https://smartdefine.org/unprincipled/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unprincipled thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unprincipled/thesaurus/synonyms>.
MLASmart Define. "unprincipled thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/unprincipled/thesaurus/synonyms>