virulent

They’re "a particularly virulent, violent form of white preservationists."

They’re “a particularly virulent, violent form of white preservationists,” he said.

They were virulent and undeniably scary.

She said the virus may in the end not end up becoming more virulent or efficient at moving between people, “but I don’t think we want to wait around and on the chance that it might.”

But as adrenaline-pounding as virulent misogyny is in the moment, in the longer term, it's just going to make men's problems much worse.