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.]