The controversy between the two is noted for the virulency of the personal invective.
Sometimes, without doubt, the virulency of the disease is lessened.
Thirdly, from the virulency of the liquor it ejects, and the sad effects and symptoms that follow it.
And the prophets, in spite of their virulency, produced the highest forms of artistic beauty.
virulence vir·u·lence (vēr'yə-ləns, vēr'ə-)
The quality of being poisonous.
The capacity of a microorganism to cause disease.