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Webster 1913 Edition

Adj.

[L.

virulentus

, fr.

virus

poison: cf. F.

virulent

. See

Extremely poisonous or venomous; very active in doing injury.

A contagious disorder rendered more

virulent

by uncleanness.

Sir W. Scott.

Very bitter in enmity; actuated by a desire to injure; malignant;

as, a

virulent

invective

Adj.

[L. virulentus, from virus, poison, that is, strength, from the same root as vir, vireo. See Venom.]

Extremely active in doing injury; very poisonous or venomous. No poison is more virulent than that of some species of serpents.

Very bitter in enmity; malignant; as a virulent invective.