Definition of "virulency" []

• Dated form of virulence. (noun)

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• "The fever, though it was October, had scarcely abated; indeed, on the contrary, it seemed to have revived and increased in virulency in consequence of the premature return of many people who had fled on its first appearance, and who in coming back too soon to the infected atmosphere, were less able to withstand contagion than those who had remained."
• "But that thou mightest, reader, both know, and with equal indignation abhor, the snarlings and virulency of these men, take it in their own words, although I cannot without infinite reluctancy allege what they with all audaciousness have uttered."
• "The blood of the civilized race has become so thoroughly syphilized, that it is no longer so susceptible to the disease as it once was: and the disease as we know it to-day does not manifest the same virulency as it did years ago, or as it does in a race in whom it is grafted for the first time."