WICKED, adjective [The primary sense is to wind and turn, or to depart, to fall away.]
1. Evil in principle or practice; deviating from the divine law; addicted to vice; sinful; immoral. This is a word of comprehensive signification, extending to every thing that is contrary to the moral law, and both to persons and actions. We say, a wicked man, a wicked deed, wicked ways, wicked lives, a wicked heart, wicked designs, wicked works.
No man was ever wicked without secret discontent.
2. A word of slight blame; as the wicked urchin.
3. Cursed; baneful; pernicious; as wicked words, words pernicious in their efforts.
[This last signification may throw some light on the word witch.]
The wicked in Scripture, persons who live in sin; transgressors of the divine law; all who are unreconciled to God, unsanctified or impenitent.