In most African cultures, evil is conceived of as the consequence of a transgression of what is prescribed, whether divine precepts - which unconditionally call for obedience and submission - or a social law dictated by the authorities that govern as well as ritualistic interdicts or prescriptions. Any action that diminishes or destroys life and any act or attitude and behavior that breaks the unity, the order or the harmony of things are also considered as evils.

An evil may be real, tho' its cause has no relation to us: It may be real, without being peculiar: It may be real, without shewing itself to others: It may be real, without being constant: And it may be real, without falling under the general rules. Such evils as these will not fail to render us miserable, tho' they have little tendency to diminish pride: And perhaps the most real and the most solid evils of life will be found of this nature.

The proposition has... been laid down in the most general terms, "All evils are negations." Thus for man death is evil; death is his non-existence. Illness, poverty, and ignorance are evils for man; all these are privations of properties. ...The destruction of other things is likewise nothing but the absence of their form. After these propositions, it must be admitted as a fact that it cannot be said of God that He directly creates evil, or He has the direct intention to produce evil; this is impossible. His works are all perfectly good. He only produces existence, and all existence is good; whilst evils are of a negative character, and cannot be acted upon.

Evil…doesn’t mean doing things that have bad consequences for people. It means private thoughts and actions that are not to “the Christian majority’s” private liking.

Evil is nothing but a word, an objectification where no objectification is necessary. Cast aside this notion of some external agency as the source of inconceivable inhumanity - the sad truth is our possession of an innate proclivity towards indifference, towards deliberate denial of mercy, towards disengaging all that is moral within us.
But if that is too dire , let's call it evil. And paint it with fire and venom.

The status of evil is that of a parasite. It has no permanent life of itself; its whole existence depends on the life it borrows from its parent, and when its connection with the parent is severed nothing remains. Apparent evil is the result of ignorance, and when the truth is presented the error disappears. Jesus called it a liar and the father of lies.

“Evil” is first and foremost a religious notion. It means whatever a religion dislikes.

Evil is non-being, the good is being, since it has come into being from the existing God

There is one basic fact that holds for all living things. Evil for any form of life is anything that hinders or threatens its existence; good is anything that promotes it. It’s that way everywhere, under every sun. It’s as obvious as two times two, because otherwise, if the opposite were true, life would be dooming itself to destruction. No civilization can change the criteria for good and evil without suffering for it.

What is evil? Killing is evil, lying is evil, slandering is evil, abuse is evil, gossip is evil, envy is evil, hatred is evil, to cling to false doctrine is evil; all these things are evil. And what is the root of evil? Desire is the root of evil, illusion is the root of evil.

Everything is evil. I mean, everything that is, is wicked; every existing thing is an evil; everything exists for a wicked end. Existence is a wickedness and is ordained for wickedness. Evil is the end, the final purpose, of the universe...The only good is nonbeing; the only really good thing is the thing that is not, things that are not things; all things are bad.

Evil is the absence of God.

I told you once that I was searching for the nature of evil. I think I’ve come close to defining it: a lack of empathy. It’s the one characteristic that connects all the defendants. A genuine incapacity to feel with their fellow man. Evil, I think, is the absence of empathy.

Evil is ignorance.