Adjective:
1: peccant, evil, irredeemable, iniquitous, unreformable, peccable, ungodly, wicked, sinful, villainous, irreclaimable, vicious, heavy, unredeemable, nefarious morally bad in principle or practice
2: sinful, unholy, wicked, unrighteous having committed unrighteous acts; "a sinful person"
3: wicked, severe, intense, terrible 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"
4: impish, wicked, pixilated, implike, mischievous, puckish, prankish, playful naughtily or annoyingly playful; "teasing and worrying with impish laughter"; "a wicked prank"
5: loathsome, skanky, repelling, loathly, revolting, yucky, disgusting, disgustful, repellent, distasteful, wicked, offensive, foul, repellant 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"