Độc hại, cực kỳ có hại, làm chết người (về bệnh, thuốc độc)

a virulent strain of flu

một trận dịch cúm độc hại

Độc ác, hiểm độc

a virulent abuse

lời chửi rủa độc địa

Có virut; do virut

virulent disease

bệnh do virut

Lethal, life-threatening, deadly, fatal, pernicious,septic, poisonous, toxic, baleful, noxious, dangerous, harmful,injurious, detrimental, deleterious, destructive, unhealthy,unwholesome: He died from a virulent form of dysentery that hecaught in the tropics. 2 vicious, venomous, bitter, spiteful,malignant, malign, malicious, malevolent, poisonous, splenetic,acrimonious, acerbic, acid, mordant, sarcastic, nasty,trenchant, caustic, antagonistic, hateful, hostile: What did Ido to the reviewer of The Herald to merit such a virulentreview?

Strongly poisonous.

(of a disease) violent ormalignant.

Bitterly hostile (virulent animosity; virulentabuse).

Virulence n. virulently adv. [ME, orig. of apoisoned wound, f. L virulentus (as VIRUS)]