THESAURUS
Gibber
absurdity, amphigory, babble, babblement, baffle, balderdash, bavardage, be Greek to, be beyond one, be too deep, beat one, 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, escape one, fiddle-faddle, fiddledeedee, flummery, folderol, fudge, fustian, gab, gabble, galimatias, gammon, gas, gibbering, gibberish, gibble-gabble, go on, gobbledygook, gossip, guff, gush, haver, hocus-pocus, hot air, humbug, idle talk, jabber, jargon, jaw, jibber, lose one, maunder, maundering, mere talk, mouth, mouthing, mow, mumble, mumbling, mumbo jumbo, murmur, murmuring, mutter, muttering, narrishkeit, natter, need explanation, niaiserie, nonsense, nonsense talk, not make sense, not penetrate, pack of nonsense, palaver, pass comprehension, patter, perplex, piffle, pour forth, prate, prating, prattle, prittle-prattle, ramble on, rant, rattle, rattle on, reel off, riddle, rigamarole, rigmarole, rodomontade, rubbish, run on, skimble-skamble, sob, speak in tongues, speak incoherently, splutter, spout, spout off, sputter, stammer, stuff and nonsense, stultiloquence, stutter, susurrate, susurration, talk away, talk double Dutch, talk nonsense, talk on, talkee-talkee, tittle-tattle, trash, trumpery, twaddle, twattle, twiddle-twaddle, vapor, vaporing, waffle, waffling, whisper, whispering, yak, yakkety-yak, yammer
ROGET THESAURUS
Gibber
Stammering
VB
stammer, stutter, hesitate, falter, hammer, balbutiate, balbucinate, haw, hum and haw, be unable to put two words together, mumble, mutter, maud, mauder, whisper, mince, lisp, jabber, gibber, sputter, splutter, muffle, mump, drawl, mouth, croak, speak thick, speak through the nose, snuffle, clip one's words, murder the language, murder the King's English, murder the Queen's English, mispronounce, missay.