wicked

UK: /ˈwɪkɪd/ US: /ˈwɪkɪd/ ,(wik′id)

Inflections of 'wicked' (adj):

wickeder

adj comparative

wickedest

adj superlative

WordReference Random House Learner's Dictionary of American English © 2025

wick•ed /ˈwɪkɪd/   adj. 

1. morally bad;
   sinful;
   evil:
   a wicked witch.
2. playfully mischievous.
3. harmful;
   dangerous:
   wicked, twisting roads.
4. unpleasant;
   foul:
   a wicked odor.
5. Slang Terms wonderful;
   great:
   has a wicked tennis serve.

wick•ed•ly, adv. 
wick•ed•ness, n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2025

wick•ed  (wik′id), adj., -er, -est, adv. 
adj. 

1. evil or morally bad in principle or practice;
   sinful;
   iniquitous:
   wicked people; wicked habits.
2. mischievous or playfully malicious:
   These wicked kittens upset everything.
3. distressingly severe, as a storm, wound, or cold:
   a wicked winter.
4. unjustifiable;
   dreadful;
   beastly:
   wicked prices; a wicked exam.
5. having a bad disposition;
   ill-natured;
   mean:
   a wicked horse.
6. spiteful;
   malevolent;
   vicious:
   a wicked tongue.
7. extremely troublesome or dangerous:
   wicked roads.
8. unpleasant;
   foul:
   a wicked odor.
9. Slang Terms wonderful;
   great;
   masterful;
   deeply satisfying:
   He blows a wicked trumpet.

adv. 

10. Slang Terms very;
    really;
    totally:
    That shirt is wicked cool.

• 1225–75; Middle English wikked, equivalent. to wikke bad (representing adjective, adjectival use of Old English wicca wizard; compare witch) + -ed -ed³

wick′ed•ly, adv. 
Synonyms

• 1. unrighteous, ungodly, godless, impious, profane, blasphemous; immoral, profligate, corrupt, depraved, dissolute; heinous; infamous, villainous. See bad ¹.

Antonyms

• 1. good, virtuous.

Collins Concise English Dictionary © HarperCollins Publishers::

wicked / ˈwɪkɪd/ adjective

1. morally bad in principle or practice
2. (as collective noun; preceded by the): the wicked
3. mischievous or roguish, esp in a playful way: a wicked grin
4. causing injury or harm
5. troublesome, unpleasant, or offensive
6. very good

Etymology: 13th Century: from dialect wick, from Old English wicca sorcerer, wicce witch¹

ˈwickedly adverb

ˈwickedness noun