Category:Virulent

Vir"u*lent, a. Etym: [l. virulentus, fr. virus poison: cf. F. Virulent. See virus.]

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.