wicked

morally bad in principle or practice

having committed unrighteous acts; "a sinful person"

intensely or extremely bad or unpleasant in degree or quality; "severe pain"; "a severe case of flu"; "a terrible cough"; "under wicked fire from the enemy's guns"; "a wicked cough"

naughtily or annoyingly playful; "teasing and worrying with impish laughter"; "a wicked prank"

highly offensive; arousing aversion or disgust; "a disgusting smell"; "distasteful language"; "a loathsome disease"; "the idea of eating meat is repellent to me"; "revolting food"; "a wicked stench"