Definition of wicked

• a. - Having a wick; -- used chiefly in composition; as, a two-wicked lamp.
• 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.
• a. - Cursed; baneful; hurtful; bad; pernicious; dangerous.
• a. - Ludicrously or sportively mischievous; disposed to mischief; roguish.