violating moral principles; not conforming to the patterns of conduct usually accepted or established as consistent with principles of personal and social ethics.

licentious or lascivious.

adjective

chaste , good , moral , noble , pure , right , uncorrupt , virtuous

adjective

abandoned , bad , corrupt , debauched , depraved , dishonest , dissipated , dissolute , fast * , graceless , impure , indecent , iniquitous , lewd , licentious , loose * , nefarious , obscene , of easy virtue , pornographic , profligate , rakish , reprobate , saturnalian , shameless , sinful , speedy , unchaste , unclean * , unethical , unprincipled , unscrupulous , vicious , vile , villainous , wicked , wrong , x-rated *notes:a person who is amoral does not understand the difference between right and wrong , so it means that one is neither moral nor immoral , while a person who is immoral understands the difference but does wrong anyway; amoral means \'not concerned with morality\' while immoral means \'not conforming to moral standards\' or \'evil\'immortal means not subject to death , while immoral means violating principles of right and wrong or not adhering to ethical or moral principles , black , peccant , unclean , uncleanly , debased , degenerate , dirty , evil , illicit , libertine , loose , orgiastic , unedifying , unsavory , wanton