immoral

形容词 immoral:

1. deliberately violating accepted principles of right and wrong
2. not adhering to ethical or moral principles
   同义词：base, dishonorable, dishonourable, unethical
3. morally unprincipled
4. characterized by wickedness or immorality
   同义词：bad
5. marked by immorality; deviating from what is considered right or proper or good
   同义词：depraved, perverse, perverted, reprobate

1. Contrary to conscience, morality, or law; immoral or wicked.
   不道德的，不正当的不合道德、良知或法律规则的; 不道德的或邪恶的
2. An evil, degrading, or immoral practice or habit.
   不道德行为，恶习邪恶的、堕落的或者不道德的行为或者习惯
3. Some people still think it is immoral to have sex before marriage.
   有些人仍然认为婚前的性行为是不道德的。

im.mor.al

adj.（形容词）
Contrary to established moral principles.
不道德的：和既定的道德准则相违背的

【引伸】
immor.ally
adv.（副词）