Definition of "scurrilous" [scur•ril•ous]

• Given to the use of vulgar, coarse, or abusive language; foul-mouthed. (adjective)
• Expressed in vulgar, coarse, and abusive language. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "You know, he also wants to talk about it obviously politically because there's been a lot of these, what he calls scurrilous e-mails out there about him being a supposed Muslim."
• "And, you know, clearly, an attempt by the Obama campaign to put an end to what he calls scurrilous attacks here."
• "But, before I could even get to it, he wanted to bring it up, and, clearly, an attempt by the Obama campaign to put an end to what he calls scurrilous attacks here."