6
fraudulent(adjective, false, corrupt, dishonest, immoral)
6
knavish(adjective, wicked, dishonest, immoral, rotten)
6
lewd(adjective, open, light, loose, immoral)
6
perfidious(adjective, false, dishonest, immoral, deceitful)
6
perverted
6
unconstrained(adjective, open, light, loose, immoral)
6
underhand(adjective, bad, wrong, false, corrupt)
6
unprofessional(adjective, wrong, corrupt, dishonest, immoral)
6
villainous(adjective, bad, wrong, evil, false)
5
bent(adjective, informal, false, corrupt, dishonest)
5
cutthroat(adjective, ruthless)
5
disgraceful(adjective, corrupt, vile, dishonest, shady)
5
loose(adjective, open, light, corrupt, wicked)
5
low(adjective, cruel, corrupt, unreasonable, dishonest)
5
nefarious(adjective, bad, wrong, evil, violent)
5
opportunistic(adjective, sophisticated, experienced, mature, hardened)
5
shifty(adjective, false, corrupt, dishonest, deceitful)
5
tricky(adjective, low, false, corrupt, dishonest)
4
cheating(adjective, bad, wrong, false, corrupt)
4
discreditable(adjective, low, corrupt, vile, dishonest)
11 years ago|16k views|share |citing 
APASmart Define. (2015). unprincipled thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unprincipled/thesaurus/synonyms
ChicagoSmart Define. 2015. "unprincipled thesaurus" https://smartdefine.org/unprincipled/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unprincipled thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unprincipled/thesaurus/synonyms>.
MLASmart Define. "unprincipled thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/unprincipled/thesaurus/synonyms>