1. adjective /ˈiːvəl,ˈiːvɪl/
a) Intending to harm; malevolent.
b) Morally corrupt.
2. noun /ˈiːvəl,ˈiːvɪl/
a) The forces/behaviors that are the opposite or enemy of good. Evil generally seeks own benefit at the expense of others and is based on general malevolence.
The evils of society include murder.
b) Any particular individual or state which may follow these forces or behaviors.
Wikipedia foundation.