virulent

• POS: Adjective
• HYPHEN: vir=u=lent

CIDE DICTIONARY

virulent, a. [L. virulentus, fr. virus poison: cf. F. virulent. See Virus.].

•  Extremely poisonous or venomous; very active in doing injury.  [1913 Webster]

  "A contagious disorder rendered more virulent by uncleanness."  [1913 Webster]
•  Very bitter in enmity; actuated by a desire to injure; malignant; as, a virulent invective.  [1913 Webster]

OXFORD DICTIONARY

virulent, adj.
1 strongly poisonous.
2 (of a disease) violent or malignant.
3 bitterly hostile (virulent animosity; virulent abuse).

Derivative

virulence n. virulently adv.

Etymology

ME, orig. of a poisoned wound, f. L virulentus (as VIRUS)

THESAURUS

virulent

acerb, acerbate, acerbic, acid, acidic, acidulent, acidulous, acrid, acrimonious, acute, antagonistic, antipathetic, astringent, baleful, baneful, belligerent, biting, bitter, brutal, burning, catching, caustic, choleric, clashing, colliding, communicable, conflicting, contagious, corroding, corrosive, corrupting, corruptive, counterproductive, cutting, damaging, dangerous, deadly, death-bringing, deathful, deathly, deleterious, despiteful, destructive, detrimental, disadvantageous, disserviceable, distressing, double-edged, drastic, edged, embittered, envenomed, escharotic, excessive, exorbitant, extravagant, extreme, fatal, feral, fierce, full of hate, furious, great, harmful, harsh, hateful, hostile, hurtful, immoderate, incisive, infectious, infective, injurious, intemperate, intense, internecine, keen, killing, lethal, malefic, malevolent, malicious, malign, malignant, mephitic, miasmal, miasmatic, miasmic, mischievous, mordacious, mordant, mortal, nasty, noisome, noxious, ominous, outrageous, penetrating, pernicious, pestiferous, pestilential, piercing, poignant, poison, poisonous, prejudicial, quarrelsome, rancorous, rankled, repugnant, resentful, resenting, rigorous, rough, sarcastic, savage, scatheful, scathing, septic, set against, severe, sharp, sore, spiteful, splenetic, splitting, stabbing, stewing, stinging, strident, stringent, tart, tough, toxic, toxicant, toxiferous, trenchant, unconscionable, unfriendly, unhealthy, unwholesome, vehement, venenate, veneniferous, venenous, venomous, vicious, violent, vitriolic

ROGET THESAURUS

virulent

Badness

N badness, hurtfulness, virulence, evil doer, bane, plague spot, evil star, ill wind, hoodoo, Jonah, snake in the grass, skeleton in the closet, amari aliquid, thorn in the side, malignity, malevolence, tender mercies, ill-treatment, annoyance, molestation, abuse, oppression, persecution, outrage, misusage, injury, knockout drops, badness, peccancy, abomination, painfulness, pestilence, guilt, depravity, hurtful, harmful, scathful, baneful, baleful, injurious, deleterious, detrimental, noxious, pernicious, mischievous, full of mischief, mischief-making, malefic, malignant, nocuous, noisome, prejudicial, disserviceable, disadvantageous, wide-wasting, unlucky, sinister, obnoxious, untoward, disastrous, oppressive, burdensome, onerous, malign, corrupting &c (corrupt), virulent, venomous, envenomed, corrosive, poisonous, deadly, destructive, inauspicious, bad, ill, arrant, as bad as bad can be, dreadful, horrid, horrible, dire, rank, peccant, foul, fulsome, rotten, rotten at the core, vile, base, villainous, mean, injured, deteriorated, unsatisfactory, exceptionable indifferent, below par, illcontrived, ill-conditioned, wretched, sad, grievous, deplorable, lamentable, pitiful, pitiable, woeful, evil, wrong, depraved, shocking, reprehensible, hateful, hateful as a toad, abominable, detestable, execrable, cursed, accursed, confounded, damned, damnable, infernal, diabolic, unadvisable, unprofitable, incompetent, irremediable, badly, wrong, ill, to one's cost, where the shoe pinches, bad is the best: the worst come to the worst, herba mala presto cresco, wrongs unredressed or insults unavenged.

Insalubrity

N insalubrity, unhealthiness, nonnaturals, plague spot, malaria, death in the pot, contagion, toxicity, insalubrious, unhealthy, unwholesome, noxious, noisome, morbific, morbiferous, mephitic, septic, azotic, deleterious, pestilent, pestiferous, pestilential, virulent, venomous, envenomed, poisonous, toxic, toxiferous, teratogenic, narcotic, contagious, infectious, catching, taking, epidemic, zymotic, epizootic, innutritious, indigestible, ungenial, uncongenial, deadly.

Physical Energy

N energy, physical energy, force, power, keenness, intensity, vigor, strength, elasticity, go, high pressure, fire, rush, acrimony, acritude, causiticity, virulence, poignancy, harshness, severity, edge, point, pungency, cantharides, seasoning, activity, agitation, effervescence, ferment, fermentation, ebullition, splutter, perturbation, stir, bustle, voluntary energy, quicksilver, resolution, exertion, excitation, strong, energetic, forcible, active, intense, deep-dyed, severe, keen, vivid, sharp, acute, incisive, trenchant, brisk, rousing, irritation, poignant, virulent, caustic, corrosive, mordant, harsh, stringent, double-edged, double-shotted, double- distilled, drastic, escharotic, racy, potent, radioactive, strongly, fortiter in re, with telling effect, the steam is up, vires acquirit eundo, the race by vigor not by vaunts is won.

Discourtesy

N discourtesy, ill breeding, ill manners, bad manners, ungainly manners, insuavity, uncourteousness rusticity, inurbanity, illiberality, incivility displacency, disrespect, procacity, impudence: barbarism, barbarity, misbehavior, brutality, blackguardism, conduct unbecoming a gentleman, grossieret_e, brusquerie, vulgarity, churlishness, spinosity, perversity, moroseness, sternness, austerity, moodishness, captiousness, cynicism, tartness, acrimony, acerbity, virulence, asperity, scowl, black looks, frown, short answer, rebuff, hard words, contumely, unparliamentary language, personality, bear, bruin, brute, blackguard, beast, unlicked cub, frump, crosspatch, saucebox, crooked stick, grizzly, discourteous, uncourteous, uncourtly, ill-bred, ill-mannered, ill-behaved, ill-conditioned, unbred, unmannerly, unmannered, impolite, unpolite, unpolished, uncivilized, ungenteel, ungentleman-like, ungentlemanly, unladylike, blackguard, vulgar, dedecorous, foul- mouthed foul-spoken, abusive, uncivil, ungracious, unceremonious, cool, pert, forward, obtrusive, impudent, rude, saucy, precocious, repulsive, uncomplaisant, unaccommodating, unneighborly, ungallant, inaffable, ungentle, ungainly, rough, rugged, bluff, blunt, gruff, churlish, boorish, bearish, brutal, brusque, stern, harsh, austere, cavalier, taint, sour, crabbed, sharp, short, trenchant, sarcastic, biting, doggish, caustic, virulent, bitter, acrimonious, venomous, contumelious, snarling, surly, surly as a bear, perverse, grim, sullen, peevish, untactful, impolitic, undiplomatic, artless, discourteously, with discourtesy, with a bad grace.

Resentment

N resentment, displeasure, animosity, anger, wrath, indignation, exasperation, bitter resentment, wrathful indignation, pique, umbrage, huff, miff, soreness, dudgeon, acerbity, virulence, bitterness, acrimony, asperity, spleen, gall, heart-burning, heart-swelling, rankling, ill humor, bad humor, ill temper, bad temper, irascibility, ill blood, revenge, excitement, irritation, warmth, bile, choler, ire, fume, pucker, dander, ferment, ebullition, towering passion, acharnement, angry mood, taking, pet, tiff, passion, fit, tantrums, burst, explosion, paroxysm, storm, rage, fury, desperation, violence, fire and fury, vials of wrath, gnashing of teeth, hot blood, high words, scowl, sulks, affront, provocation, offense, indignity, grudge, crow to pluck, bone to pick, sore subject, casus belli, ill turn, outrage, Furies, Eumenides, buffet, slap in the face, box on the ear, rap on the knuckles, angry, wrath, irate, ireful, wrathful, cross, Achillean, sulky, bitter, virulent, acrimonious &c (discourteous), violent, warm, burning, boiling, boiling over, fuming, raging, foaming, foaming at the mouth, convulsed with rage, offended, waxy, acharne, wrought, worked up, indignant, hurt, sore, set against, fierce, wild, rageful, furious, mad with rage, fiery, infuriate, rabid, savage, relentless, flushed with anger, flushed with rage, in a huff, in a stew, in a fume, in a pucker, in a passion, in a rage, in a fury, in a taking, in a way, on one's high ropes, up in arms, in high dudgeon, angrily, in the height of passion, in the heat of passion, in the heat of the moment, Int, tantaene animis coelestibus irae!, marry come up!, zounds!, 'sdeath!, one's blood being up, one's back being up, one's monkey being up, fervens difficili bile jecur, the gorge rising, eyes flashing fire, the blood rising, the blood boiling, haeret lateri lethalis arundo, beware the fury of a patient man, furor arma ministrat, ira furor brevis est, quem Jupiter vult perdere dementat prius, What, drunk with choler?.

Malevolence

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, 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, malevolently, with bad intent, 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.