1. (v. i.) To talk rapidly, indistinctly, or unintelligibly; to utter gibberish or nonsense; to chatter.

2. (v. t.) To utter rapidly or indistinctly; to gabble; as, to jabber French.

3. (n.) Rapid or incoherent talk, with indistinct utterance; gibberish.

4. (n.) One who jabbers.

Greek absurdity amphigory babble babblement balderdash bavardage bibble-babble blab blabber blah-blah blather blether blethers blubber bombast bull bullshit cackle caquet caqueterie chat chatter chitter-chatter clack claptrap clatter dither double-talk drivel drone droning drool fiddle-faddle fiddledeedee flummery folderol fudge fustian gab gabble galimatias gammon gas gibber gibbering gibberish gibble-gabble go on gobbledygook gossip guff gush haver hocus-pocus hot air humbug idle talk jabberwocky jargon jaw jibber maunder maundering mere talk mouth mouthing mumble mumbling mumbo jumbo murmur murmuring mutter muttering narrishkeit natter niaiserie nonsense nonsense talk pack of nonsense palaver patter piffle pour forth prate prating prattle prittle-prattle ramble on rant rattle rattle on reel off rigamarole rigmarole rodomontade rubbish run on skimble-skamble sob speak incoherently splutter spout spout off sputter stuff and nonsense stultiloquence susurrate susurration talk away talk nonsense talk on talkee-talkee tittle-tattle trash trumpery twaddle twattle twiddle-twaddle vapor vaporing waffle waffling whisper whispering yak yakkety-yak yap