(adjective) using or given to coarse language / (adjective) vulgar and evil / (adjective) containing obscenities, abuse, or slander
We were just getting used to seeing Lukacs as a great modernist when he came out with a scurrilous, hysterical attack on modernism.
During their lunches he was always wonderfully scurrilous and bad tempered about his peers
the esteemed Harvard intellectual historian was made to seem a scurrilous pinko