Adjectives

(a)wickedmorally bad in principle or practice
(s)sinful, unholy, wickedhaving committed unrighteous acts“a sinful person”
(s)severe, terrible, wickedintensely 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”
(s)arch, impish, implike, mischievous, pixilated, prankish, puckish, wickednaughtily or annoyingly playful“teasing and worrying with impish laughter”, “a wicked prank”
(s)disgusting, disgustful, distasteful, foul, loathly, loathsome, repellent, repellant, repelling, revolting, skanky, wicked, yuckyhighly 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”