"We don't scare worth a cent," she snapped, with the virulence of a vixen.
It is then said that the virulence of the microbe is attenuated.
All her friends were beginning to hate her with virulence, so lucky had she been!
Even the virulence of the dreaded Tarantula's bite has been greatly exaggerated.
The epidemic had died out not because of lack of virulence but because ...