(1):

(a.) Ludicrously or sportively mischievous; disposed to mischief; roguish.

(2):

(a.) Cursed; baneful; hurtful; bad; pernicious; dangerous.

(3):

(a.) Evil in principle or practice; deviating from morality; contrary to the moral or divine law; addicted to vice or sin; sinful; immoral; profligate; - said of persons and things; as, a wicked king; a wicked woman; a wicked deed; wicked designs.

(4):

(a.) Having a wick; - used chiefly in composition; as, a two-wicked lamp.