1.  wicked(a = adj.all) Array - morally bad in principle or practice; Array
Antonym: virtuous
Derived forms noun wickedness₁, noun wickedness₃, noun wickedness₂

2.  wicked(s = adj.all) sinful, unholy - having committed unrighteous acts; "a sinful person"
Derived form noun wickedness₄

3.  wicked(s = adj.all) severe, terrible - intensely or extremely bad or unpleasant in degree or quality; "severe pain"; "a severe case of flu"; "a terrible cough"; "under wicked fire from the enemy's guns"; "a wicked cough"

4.  wicked(s = adj.all) arch, impish, implike, mischievous, pixilated, prankish, puckish - naughtily or annoyingly playful; "teasing and worrying with impish laughter"; "a wicked prank"

5.  wicked(s = adj.all) disgustful, disgusting, distasteful, foul, loathly, loathsome, repellant, repellent, repelling, revolting, skanky, yucky - highly offensive; arousing aversion or disgust; "a disgusting smell"; "distasteful language"; "a loathsome disease"; "the idea of eating meat is repellent to me"; "revolting food"; "a wicked stench"
Derived form noun wickedness₅

   Having a wick; -- used chiefly in composition; as, a two-wicked lamp. [1913 Webster]

1.  Evil in principle or practice; deviating from morality; contrary to the moral or divine law; addicted to vice or sin; sinful; immoral; profligate; -- said of persons and things; as, a wicked king; a wicked woman; a wicked deed; wicked designs. [1913 Webster]
"Hence, then, and evil go with thee along,
Thy offspring, to the place of evil, hell,
Thou and thy wicked crew!" [1913 Webster]
"Never, never, wicked man was wise." [1913 Webster]

2.  Cursed; baneful; hurtful; bad; pernicious; dangerous. Shak. [1913 Webster]
"This were a wicked way, but whoso had a guide." [1913 Webster]

3.  Ludicrously or sportively mischievous; disposed to mischief; roguish. [1913 Webster]
"Pen looked uncommonly wicked." [1913 Webster]

wicked, adj. (wickeder, wickedest)
1 sinful, iniquitous, given to or involving immorality.
2 spiteful, ill-tempered; intending or intended to give pain.
3 playfully malicious.
4 colloq. foul; very bad; formidable (wicked weather; a wicked cough).
5 sl. excellent, remarkable.

Idiom:
Wicked Bible an edition of 1631, with the misprinted commandment 'thou shalt commit adultery'.

Derivative:
wickedly adv. wickedness n.

Etymology:
ME f. obs. wick (perh. adj. use of OE wicca wizard) + -ED(1) as in wretched

N  improbity, dishonesty, dishonor, deviation from rectitude, disgrace, fraud, lying, bad faith, Punic faith, mala fides, Punica fides, infidelity, faithlessness, Judas kiss, betrayal, breach of promise, breach of trust, breach of faith, prodition, disloyalty, treason, high treason, apostasy, nonobservance, shabbiness, villainy, villany, baseness, abjection, debasement, turpitude, moral turpitude, laxity, trimming, shuffling, perfidy, perfidiousness, treachery, double dealing, unfairness, knavery, roguery, rascality, foul play, jobbing, jobbery, graft, bribery, venality, nepotism, corruption, job, shuffle, fishy transaction, barratry, sharp practice, heads I win tails you lose, mouth honor, dishonest, dishonorable, unconscientious, unscrupulous, fraudulent, knavish, disgraceful, wicked, false-hearted, disingenuous, unfair, one-sided, double, double- hearted, double-tongued, double-faced, timeserving, crooked, tortuous, insidious, Machiavelian, dark, slippery, fishy, perfidious, treacherous, perjured, infamous, arrant, foul, base, vile, ignominious, blackguard, contemptible, unrespectable, abject, mean, shabby, little, paltry, dirty, scurvy, scabby, sneaking, groveling, scrubby, rascally, pettifogging, beneath one, low-minded, low-thoughted, base-minded, undignified, indign, unbecoming, unbeseeming, unbefitting, derogatory, degrading, infra dignitatem, beneath one's dignity, ungentlemanly, ungentlemanlike, unknightly, unchivalric, unmanly, unhandsome, recreant, inglorious, corrupt, venal, debased, mongrel, faithless, of bad faith, false, unfaithful, disloyal, untrustworthy, trustless, trothless, lost to shame, dead to honor, barratrous, dishonestly, mala fide, like a thief in the night, by crooked paths, Int, O tempora!, O mores!, corruptissima respublica plurimae leges.

N  vice, evil-doing, evil courses, wrongdoing, wickedness, viciousness, iniquity, peccability, demerit, sin, Adam, old Adam, offending Adam, immorality, impropriety, indecorum, scandal, laxity, looseness of morals, enphagy, dophagy, exophagy, want of principle, want of ballast, obliquity, backsliding, infamy, demoralization, pravity, depravity, pollution, hardness of heart, brutality, corruption, knavery, profligacy, flagrancy, atrocity, cannibalism, lesbianism, Sadism, infirmity, weakness, weakness of the flesh, frailty, imperfection, error, weak side, foible, failing, failure, crying sin, besetting sin, defect, deficiency, cloven foot, lowest dregs of vice, sink of iniquity, Alsatian den, gusto picaresco, fault, crime, criminality, sinner, brothel, gambling house, joint, opium den, shooting gallery, crack house, vicious, sinful, sinning, wicked, iniquitous, immoral, unrighteous, wrong, criminal, naughty, incorrect, unduteous, undutiful, unprincipled, lawless, disorderly, contra bonos mores, indecorous, unseemly, improper, dissolute, profligate, scampish, unworthy, worthless, desertless, disgraceful, recreant, reprehensible, blameworthy, uncommendable, discreditable, disreputable, Sadistic, base, sinister, scurvy, foul, gross, vile, black, grave, facinorous, felonious, nefarious, shameful, scandalous, infamous, villainous, of a deep dye, heinous, flagrant, flagitious, atrocious, incarnate, accursed, Mephistophelian, satanic, diabolic, hellish, infernal, stygian, fiendlike, hell-born, demoniacal, devilish, fiendish, miscreated, misbegotten, demoralized, corrupt, depraved, evil-minded, evil-disposed, ill-conditioned, malevolent, heartless, graceless, shameless, virtueless, abandoned, lost to virtue, unconscionable, sunk in iniquity, lost in iniquity, steeped in iniquity, incorrigible, irreclaimable, obdurate, reprobate, past praying for, culpable, reprehensible, unjustifiable, indefensible, inexcusable, inexpiable, unpardonable, irremissible, weak, frail, lax, infirm, imperfect, indiscrete, demoralizing, degrading, wrong, sinfully, without excuse, Int, O tempora!, O mores!, alitur vitium vivitque tegendo, genus est mortis male vivere, mala mens malus animus, nemo repente fuit turpissimus, the trail of the serpent is over them all, to sanction vice and hunt decorum down.