vicious

1 extreme in degree, power, or effect a vicious winter storm ripped through the region Synonyms acute, almighty, blistering, deep, dreadful, excruciating, explosive, exquisite, fearful, fearsome, ferocious, fierce, frightful, furious, ghastly, hard, heavy, heavy-duty, hellacious, intensive, keen, profound, terrible, vehement, intense, violentRelated Words accentuated, aggravated, concentrated, deepened; emphasized, enhanced, heightened, intensified, magnified; stressed; exhaustive, thorough; harsh, rigorous, severeNear Antonyms feeble, weak; shallow, superficial; moderated, qualified; alleviated, eased, lightened, toned (down); abated, decreased, diminished, lessened, reduced, subduedAntonyms light, moderate, soft

2 having or showing the desire to inflict severe pain and suffering on others she made a vicious effort to destroy the lives of the people who had wronged her Synonyms atrocious, barbaric, barbarous, brutal, brute, butcherly, fiendish, heartless, inhuman, inhumane, sadistic, savage, truculent, cruel, wantonRelated Words hard-hearted, ironhearted, merciless, pitiless, ruthless, stonyhearted, unfeeling; fell, ferocious, grim; bloodthirsty, cutthroat, murderous, sanguinary, sanguine; catty, despiteful, hateful, malevolent, malicious, malign, malignant, mean, nasty, spiteful, vindictive; draconian, draconic, hardhanded, harsh, heavy-handed, oppressiveNear Antonyms tender, warm, warmhearted; charitable, clement, lenient, merciful, pitying; pacific, peaceable, peacefulAntonyms benign, benignant, compassionate, good-hearted, humane, kind, kindhearted, sympathetic, tenderhearted

3 not conforming to a high moral standard; morally unacceptable the truly vicious philosophy of that racist organization Synonyms black, dark, evil, immoral, iniquitous, nefarious, rotten, sinful, unethical, unlawful, unrighteous, unsavory, bad, vile, villainous, wicked, wrongRelated Words base, contemptible, despicable, dirty, disreputable, evil-minded, ignoble, ill, infernal, low, mean, snide, sordid; atrocious, cruel, infamous, nasty; blamable, blameworthy, censurable, objectionable, obscene, offensive, reprehensible; corrupt, debased, debauched, degenerate, depraved, dissolute, libertine, loose, low-minded, perverted, reprobate, scrofulous, sick, unhealthy; cursed (also curst), cussed, defiling, noxious, pernicious, pestilential, ugly, ungodly, unwholesome; banned, barred, condemned, discouraged, forbidden, illegal, interdicted, outlawed, prohibited, proscribed, unauthorized, unclean; disallowed; execrable, lousy, miserable, wretched; errant, erring, fallen, unprincipled, unscrupulous; improper, incorrect, indecent, indecorous, naughty, unbecoming, unseemly, vulgar; dishonest, dishonorableNear Antonyms elevated, high, high-minded, law-abiding, legitimate, lofty, noble, principled, reputable, scrupulous; allowed, authorized, legal, licensed, permissible, permitted; approved, endorsed (also indorsed), sanctioned; abetted, encouraged, promoted, supported; clean, correct, decent, decorous, exemplary, proper, seemly; blameless, commendable, creditable, guiltless, legitimate; chaste, immaculate, incorruptible, innocent, inoffensive, irreproachable, lily-white, perfect, pure, spotless, squeaky-clean, uncorrupted, unerring, unfallen, unobjectionable, venerable, white, wholesome; esteemed, respected, upstanding, worthyAntonyms decent, ethical, good, honest, honorable, just, moral, right, righteous, sublime, upright, virtuous

4 violently unfriendly or aggressive in disposition a vicious dog that has already bitten several people Synonyms fell, ferocious, grim, savage, fierceRelated Words argumentative, assaultive, bellicose, belligerent, brawly, chippy, combative, confrontational, discordant, disputatious, feisty, gladiatorial, militant, pugnacious, scrappy, warlike; bare-knuckle (also bare-knuckled or bare-knuckles), blood-and-guts, in-your-face, take-no-prisoners; contentious, quarrelsome, truculent; menacing, threatening; bestial, brute, inhuman, inhumane; barbaric, uncivilized, wild; heartless, implacable, merciless, pitiless, relentless, ruthless, unrelenting, wanton; bloodthirsty, bloody, homicidal, murdering, murderous, sanguinary, sanguine; rapacious, ravenous, voraciousNear Antonyms amicable, companionable, comradely, congenial, cordial, friendly, genial, hearty, warm, warmhearted; compliant, submissive, tame; benign, compassionate, kind, merciful; pacific, peaceable, peaceful; amiable, complaisant, obliging; human, humane; civilized, culturedAntonyms gentle, mild, unaggressive

5 having or showing a desire to cause someone pain or suffering for the sheer enjoyment of it he spread vicious rumors about his ex-wife after their bitter divorce Synonyms bad [slang], bitchy, catty, cruel, despiteful, malevolent, malicious, malign, malignant, mean, nasty, spiteful, hateful, virulentRelated Words devious, scoundrelly, scurvy, snakelike; acrimonious, bitter, envious, jaundiced, jealous, rancorous, resentful, vindictive, vitriolic; contemptuous, deprecating, derogatory, disdainful, disparaging, mean-spirited, obnoxious, opprobrious, scornful, snide, snotty, unkind, unkindly, unloving; baleful, baneful, evil; harsh, hostile, inimical; acrid, caustic, poisonous, scathing, venomousNear Antonyms compassionate, good, good-hearted, kind, kindhearted, kindly, sympathetic, warm, warmhearted; affable, agreeable, amiable, cordial, friendly, genial, gracious, nice, pleasant; affectionate, amorous, sweet, tender, tenderhearted; humane; altruistic, high-minded, humanitarian, magnanimous, noble, philanthropic (also philanthropical)Antonyms benevolent, benign, benignant, loving, unmalicious