N. malevolence, bad intent, bad intention, unkindness, diskindness, ill nature, ill will, ill blood, bad blood, enmity, hate, malignity, malice, malice prepense, maliciousness, spite, despite, resentment, uncharitableness, incompassionateness, gall, venom, rancor, rankling, virulence, mordacity, acerbity churlishness, hardness of heart, heart of stone, obduracy, cruelty, cruelness, brutality, savagery, ferity, ferocity, barbarity, inhumanity, immanity|, truculence, ruffianism, evil eye, cloven foot, torture, vivisection, ill turn, bad turn, affront, outrage, atrocity, ill usage, intolerance, persecution, tender mercies, "unkindest cut of all"

V. be malevolent, bear spleen, harbor spleen, bear a grudge, harbor a grudge, bear malice, betray the cloven foot, show the cloven foot, hurt, annoy, injure, harm, wrong, do harm to, do an ill office to, outrage, disoblige, malign, plant a thorn in the breast, molest, worry, harass, haunt, harry, bait, tease, throw stones at, play the devil with, hunt down, dragoon, hound, persecute, oppress, grind, maltreat, illtreat, ill-use, wreak one's malice on, do one's worst, break a butterfly on the wheel, dip one's hands in blood, imbrue one's hands in blood, have no mercy

Adj. malevolent, unbenevolent, unbenign, ill-disposed, ill- intentioned, ill-natured, ill-conditioned, ill-contrived, evil-minded, evil-disposed, black-browed, malicious, malign, malignant, rancorous, despiteful, spiteful, mordacious, caustic, bitter, envenomed, acrimonious, virulent, unamiable, uncharitable, maleficent, venomous, grinding, galling, harsh, disobliging, unkind, unfriendly, ungracious, inofficious, invidious, uncandid, churlish, surly, sullen, cold, cold-blooded, cold-hearted, black-hearted, hard-hearted, flint- hearted, marble-hearted, stony-hearted, hard of heart, unnatural, ruthless, relentless, cruel, brutal, brutish, savage, savage as a bear, savage as a tiger, ferine, ferocious, inhuman, barbarous, barbaric, semibarbaric, fell, untamed, tameless, truculent, incendiary, bloodthirsty, atrocious, bloodyminded, fiendish, fiendlike, demoniacal, diabolic, diabolical, devilish, infernal, hellish, satanic, tartaran

Adv. malevolently, with bad intent

Phr. cruel as death, "hard unkindness' alter'd eye", homo homini lupus, mala mens, malus animus, "rich gifts wax poor when givers prove unkind", "sharp-tooth'd unkindness"

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

V. be vicious, sin, commit sin, do amiss, err, transgress, misdemean oneself, forget oneself, misconduct oneself, misdo, misbehave, fall, lapse, slip, trip, offend, trespass, deviate from the line of duty, deviate from the path of virtue, take a wrong course, go astray, hug a sin, hug a fault, sow one's wild oats, render vicious, demoralize, brutalize, corrupt

Adj. 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

Adv. wrong, sinfully, without excuse

Int. o tempora, o mores, phr, 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", [Note 1 - Most of these adjectives are applicable both to the act and to the agent.]

N. guilt, guiltiness, culpability, criminality, criminousness, deviation from rectitude, sinfulness, misconduct, misbehavior, misdoing, misdeed, malpractice, fault, sin, error, transgression, dereliction, delinquency, indiscretion, lapse, slip, trip, faux pas, peccadillo, flaw, blot, omission, failing, failure, break, bad break |, [U.S.], capital crime, delictum, offense, trespass, misdemeanor, misfeasance, misprision, malefaction, malfeasance, malversation, crime, felony, enormity, atrocity, outrage, deadly sin, mortal sin, "deed without a name", corpus delicti

Adj. guilty, to blame, culpable, peccable, in fault, at fault, censurable, reprehensible, blameworthy, uncommendable, illaudable, weighed in the balance and found wanting, exceptionable

Adv. in flagrante delicto, red-handed, in the very act, with one's hand in the cookie jar

Phr. cui prodest scelus in fecit, culpam paena premit comes, "o would the deed were good!", "responsibility prevents crimes" se judice nemo nocens absolvitur, "so many laws argues so many sins"