Synonyms for “wicked”

adjective

1. =  bad, evil, corrupt, vile, guilty, abandoned, foul, vicious, worthless, shameful, immoral, scandalous, atrocious, sinful, heinous, depraved, debased, devilish, amoral, egregious, abominable, fiendish, villainous, unprincipled, nefarious, dissolute, iniquitous, irreligious, black-hearted, impious, unrighteous, maleficent, flagitious • She flew at me, shouting how evil and wicked I was.
   opposites: good, principled, moral, noble, ethical, honourable, benevolent, virtuous
2. =  mischievous, playful, impish, devilish, arch, teasing, naughty, cheeky, rascally, incorrigible, raffish, roguish, rakish, tricksy, puckish, waggish • She has a delightfully wicked sense of humour.
   opposites: good, mannerly, obedient, well-behaved
3. =  agonizing, terrible, acute, severe, intense, awful, painful, fierce, mighty, dreadful, fearful, gut-wrenching • A wicked pain shot through his injured elbow.
4. =  harmful, terrible, intense, mighty, crashing, dreadful, destructive, injurious • The wind gets so wicked you want to stay indoors while the sea rages.
   opposites: pleasant, mild, harmless, wholesome, innocuous
5. (slang)=  expert, great (informal), strong, powerful, masterly, wonderful, outstanding, remarkable, ace (informal), first-class, marvellous, mighty, dazzling, skilful, A1 (informal), adept, deft, adroit • John's a wicked tennis player. He always wins.
6. =  troublesome, trying, difficult, offensive, distressing, unpleasant, galling, bothersome