Virulent

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Virulent \Vir"u*lent\, a. [L. virulentus, fr. virus poison: cf.
     F. virulent. See {Virus}.]
     1. Extremely poisonous or venomous; very active in doing
        injury.
        [1913 Webster]
  


              A contagious disorder rendered more virulent by
              uncleanness.                          --Sir W.
                                                    Scott.
        [1913 Webster]
  
     2. Very bitter in enmity; actuated by a desire to injure;
        malignant; as, a virulent invective.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  virulent
       adj 1: extremely poisonous or injurious; producing venom; "venomous
              snakes"; "a virulent insect bite" [syn: {deadly}, {venomous}]
       2: infectious; having the ability to cause disease [ant: {avirulent}]
       3: harsh or corrosive in tone; "an acerbic tone piercing
          otherwise flowery prose"; "a barrage of acid comments";
          "her acrid remarks make her many enemies"; "bitter words";
          "blistering criticism"; "caustic jokes about political
          assassination, talk-show hosts and medical ethics"; "a
          sulfurous denunciation" [syn: {acerb}, {acerbic}, {acid},
          {acrid}, {bitter}, {blistering}, {caustic}, {sulfurous}, {sulphurous},
           {venomous}, {vitriolic}]

From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:

  149 Moby Thesaurus words for "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