vir·u·lent /-lənt/
 (a.)劇毒的,致命的,刻毒的,惡毒的,惡性的,有病毒的,充滿敵意的


 vir·u·lent /-lənt/ 形容詞
 劇毒的,致命的,惡性的,有毒力的


 Vir·u·lent a.
 1. Extremely poisonous or venomous; very active in doing injury.
    A contagious disorder rendered more virulent by uncleanness.   --Sir W. Scott.
 2. Very bitter in enmity; actuated by a desire to injure; malignant; as, a virulent invective.

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 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]