What is the meaning of Evil?

Intending to harm; malevolent.

Morally corrupt.

Unpleasant, foul (of odour, taste, mood, weather, etc.).

Producing or threatening sorrow, distress, injury, or calamity; unpropitious; calamitous.

Having harmful qualities; not good; worthless or deleterious.

Undesirable; harmful; bad practice.

Moral badness; wickedness; malevolence; the forces or behaviors that are the opposite or enemy of good.

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.

A malady or disease; especially in combination, as in king's evil, colt evil.

wickedly, evilly, iniquitously

injuriously, harmfully; in a damaging way.

badly, poorly; in an insufficient way.

Alternative form of yvel (evil)

Alternative form of yvel (evilly)

Source: wiktionary.org