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1. Morally bad in principle or practice
    
2. Having committed unrighteous acts
   - sinful, unholy
    
3. Intensely or extremely bad or unpleasant in degree or quality
   "under wicked fire from the enemy's guns"; "a wicked cough"
   - severe, terrible
    
4. Naughtily or annoyingly playful
   "a wicked prank"
   - arch, impish, implike, mischievous, pixilated, prankish, puckish, pixillated
    
5. Highly offensive; arousing aversion or disgust
   "a wicked stench"
   - disgusting, disgustful [archaic], distasteful, foul, loathly, loathsome, repellent, repellant, repelling, revolting, skanky, yucky, loathful [archaic], yukky
    
6. (informal) brilliant; very good
   - brill [Brit], ace, def, magic [Brit]

1. Slang, expression of enthusiasm
   - whacko [Brit]

Derived forms: wickeder, wickedest

See also: evil, flagitious, heavy, heinous, immoral, impious, iniquitous, intense, irreclaimable, irredeemable, nefarious, offensive, peccable, peccant, playful, sinful, ungodly, unredeemable, unreformable, unrighteous, vicious, villainous, wickedly, wickedness, wrong

Antonym: virtuous

Encyclopedia: Wicked