To utter a meaningless confusion of words or sounds:
To talk idly and at length; chatter:
(Intransitive) To talk rapidly, indistinctly, or unintelligibly; to utter gibberish or nonsense.
To prattle and chatter unintelligibly.
To utter with a chattering sound
Find another word for blathering. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for blathering, like: babbling, prattling, prating, jabbering, gibbering, gabbling and chattering.