PRONUNCIATION: blăg'ərd, -ärd'
NOUN: 1. A thoroughly unprincipled person; a scoundrel. 2. A foul-mouthed person.
TRANSITIVE VERB: Inflected forms: black·guard·ed, black·guard·ing, black·guards
To abuse verbally; revile.
OTHER FORMS: blackguard·ism —NOUN
blackguard·ly —ADJECTIVE & ADVERB
The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved.
Tim's post on the Canting Dictionary inspired me to add one of my favorite words. It's a bit more genteel than calling someone a no-good S.O.B.