scurril

scur·rile

also scur·ril  (skûr′əl, skŭr′-)
adj. Archaic
Scurrilous.

[French, from Old French, from Latin scurrīlis, jeering, from scurra, buffoon, possibly of Etruscan origin.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

scurril

or

scurrile

adj
archaic vulgar or indecent
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014