scur ‧ ri ‧ lous /ˈskʌrələs, ˈskʌrɪləs $ ˈskɜːr-/ BrE AmE adjective formal
[ Date: 1500-1600 ; Language: Latin ; Origin: scurrilis , from scurra 'stupid person' ]
scurrilous remarks, articles etc contain damaging and untrue statements about someone ⇨ slanderous :
a scurrilous attack on his integrity
—scurrilously adverb