Dictionary definition · wicked
adjective
- 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"
- naughtily or annoyingly playful"teasing and worrying with impish laughter"
- highly offensive; arousing aversion or disgust"a disgusting smell"
Source: Open English WordNet (CC BY 4.0).