Theres a couple in here that may get you thinking, Theo....
Definitions of immoral on the Web:
deliberately violating accepted principles of right and wrong
base: not adhering to ethical or moral principles; "base and unpatriotic motives"; "a base, degrading way of life"; "cheating is dishonorable"; "they considered colonialism immoral"; "unethical practices in handling public funds"
morally unprincipled; "immoral behavior"
bad: characterized by wickedness or immorality; "led a very bad life"
depraved: marked by immorality; deviating from what is considered right or proper or good; "depraved criminals"; "a perverted sense of loyalty"; "the reprobate conduct of a gambling aristocrat"
wordnet.princeton.edu/perl/webwn
Morality refers to the concept of human ethics which pertains to matters of right and wrong -- also referred to as "good and evil" -- used within three contexts: individual conscience; systems of principles and judgments -- sometimes called moral values --shared within a cultural, religious ...
en.wikipedia.org/wiki/Immoral
with low moral standards, especially relating to sexual behavior ( archaic )
encarta.msn.com/dictionary_1861698469/light.html