- (chiefly medicine) Of a disease or disease-causing agent, highly infectious, malignant, or deadly.
- Hostile to the point of being venomous; intensely acrimonious.
- The politicians were virulent in their hatred of the president.
Adverbs for Virulent
disastrously; unfortunately; cruelly; bitterly; admittedly; unusually; terribly; remarkably; insidiously; unbelievably; uncommonly; highly; dreadfully; dangerously.
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
From Latin virus "poison, slime, venom".