wicked

adjective

1. 1

   intensely or extremely bad or unpleasant in degree or quality

   severe pain

   a severe case of flu

2. 2

   highly offensive; arousing aversion or disgust

   a disgusting smell

   distasteful language

3. 3

   having committed unrighteous acts

   a sinful person

4. 4

   naughtily or annoyingly playful

   teasing and worrying with impish laughter

   a wicked prank

5. 5

   morally bad in principle or practice