adj. wick·ed·er, wick·ed·est
1. Evil or immoral: "this wicked man Hitler, the repository and embodiment of many forms of soul-destroying hatred" (Winston S. Churchill).
2. Playfully malicious or mischievous: a wicked prank; a critic's wicked wit.
3. Severe and distressing: a wicked cough; a wicked gash; wicked driving conditions.
4. Highly offensive; obnoxious: a wicked stench.
5. Slang Strikingly good, effective, or skillful: a wicked curve ball; a wicked imitation.
Used as an intensive: "a ... body suit, which she describes as wicked comfortable" (Nathan Cobb).
[Middle English, alteration of wicke, ultimately from Old English wicca, sorcerer; see WITCH.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.