evil

(noun): Moral badness; wickedness; malevolence; the forces or behaviors that are the opposite or enemy of good.
(noun): Something which impairs the happiness of a being or deprives a being of any good; something which causes suffering of any kind to sentient beings; harm; injury; mischief.
(noun): A malady or disease; especially in the phrase king's evil (scrofula).
(adjective): Intending to harm; malevolent.
(adjective): Morally corrupt.
(adjective): Unpleasant, foul (of odour, taste, mood, weather, etc.).
(adjective): Producing or threatening sorrow, distress, injury, or calamity; unpropitious; calamitous.
(adjective): Having harmful qualities; not good; worthless or deleterious.
(adjective): Undesirable; harmful; bad practice

Evil lacks spirituality, hence its need for mind control.
an evil plot to brainwash and even kill innocent people
Do you think that companies that engage in animal testing are evil?
an evil beast; an evil plant; an evil crop
Global variables are evil; storing processing context in object member variables allows those objects to be reused in a much more flexible way.