Found 2 items, similar to virulency.
English → English (WordNet) Definition: virulency virulency n 1: extreme harmfulness (as the capacity of a microorganism to cause disease); “the virulence of the plague” [syn: virulence] 2: extreme hostility; “the virulence of the malicious old man” [syn: virulence]
English → English (gcide) Definition: Virulency Virulence \Vir"u*lence\, Virulency \Vir"u*len*cy\, n. [Cf. F. virulence, L. virulentia an offensive odor, a stench.] 1. The quality or state of being virulent or venomous; poisonousness; malignancy. [1913 Webster] 2. Extreme bitterness or malignity of disposition. “Refuted without satirical virulency.” --Barrow. [1913 Webster] The virulence of one declaimer, or the profundities and sublimities of the other. --I. Taylor. [1913 Webster]