gibberish
/ˈdʒɪb(ə)rɪʃ
/noun [mass noun]
Unintelligible or meaningless speech or writing; nonsense: he talks gibberish...
- At first the monkeys were intrigued with the computers and typed all sorts of stuff, even though it was meaningless gibberish.
- Why do parties insist on meaningless gibberish as conference slogans?
- He burst into hysterical tears of confusion, speaking a line of nonsensical gibberish.
Synonyms
nonsense, rubbish, balderdash, blather, blether
informal drivel, gobbledegook, mumbo jumbo, rot, tripe, hogwash, baloney, bilge, bosh, bull, bunk, guff, eyewash, piffle, twaddle, poppycock, phooey, hooey, malarkey, dribble
British informal cobblers, codswallop, tosh, cack, cock, stuff and nonsense, double Dutch
Scottish & Northern English informal havers
North American informal garbage, flapdoodle, blathers, wack, bushwa, applesauce
informal, dated bunkum, tommyrot, cod, gammon, toffee
vulgar slang shit, bullshit, horseshit, crap, bollocks, balls
North American vulgar slang crapola
Australian/New Zealand vulgar slang bulldust
Origin
Early 16th century: perhaps from gibber1 (but recorded earlier) + the suffix -ish1 (denoting a language as in Spanish, Swedish, etc.).