talking foolishly; jabbering stupid; foolish: you blithering idiot
WordReference Random House Learner's Dictionary of American English © 2026
blith•er•ing /ˈblɪðərɪŋ/USA pronunciation
adj. [before a noun]
- full of foolish talk;
stupid:a blithering idiot.
Collins Concise English Dictionary © HarperCollins Publishers::
'blithering' also found in these entries (note: many are not synonyms or translations):