1 : having committed unrighteous acts; "a sinful person"
2 : 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"
3 : naughtily or annoyingly playful; "teasing and worrying with impish laughter"; "a wicked prank"
