(archaic) Scurrilous.

(of a person) Given to vulgar verbal abuse; foul-mouthed. / (of language) Coarse, vulgar, abusive, or slanderous. / Gross, vulgar and evil.

In a scurrilous manner.

The property of being scurrilous.

Something that is scurrilous.

plural of scurrility

Obsolete form of scurrile.