Also found in: Thesaurus.
blath·er(blăth′ər) also bleth·er (blĕth′-)
intr.v. blath·ered, blath·er·ing, blath·ers also bleth·ered or bleth·er·ing or bleth·ers
To talk nonsensically.
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.
dialect someone who blathers
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014