nonsense

1 language, behavior, or ideas that are absurd and contrary to good sense told the little brat to stop his mischievous nonsense and start behaving properly the discussion about building a time machine was complete nonsense a hundred years ago, the idea that man could walk on the moon was regarded as impractical nonsense Synonyms applesauce [slang], balderdash, baloney (also boloney), beans, bilge, blah (also blah-blah), blarney, blather, blatherskite, blither, bosh, bull [slang], bunk, bunkum (or buncombe), claptrap, codswallop [British], crapola [slang], crock, drivel, drool, fiddle, fiddle-faddle, fiddlesticks, flannel [British], flapdoodle, folderol (also falderal), folly, foolishness, fudge, garbage, guff, hogwash, hokeypokey, hokum, hoodoo, hooey, horsefeathers [slang], humbug, humbuggery, jazz, malarkey (also malarky), moonshine, muck, nerts [slang], nuts, piffle, poppycock, punk, rot, rubbish, senselessness, silliness, slush, stupidity, taradiddle (or tarradiddle), tommyrot, tosh, trash, trumpery, twaddle Related Words absurdity, asininity, fatuity, foolery, idiocy, imbecility, inaneness, inanity, insanity, kookiness, lunacy; absurdness, craziness, madness, senselessness, witlessness; hoity-toity, monkey business, monkeyshine(s), shenanigan(s), tomfoolery; gas, hot air, rigmarole (also rigamarole); double-talk, greek, hocus-pocus Near Antonyms levelheadedness, rationality, reasonability, reasonableness, sensibleness; common sense, horse sense, sense; discernment, judgment (or judgement), wisdom

2 unintelligible or meaningless talk when you talk with your mouth full of food, everything just comes out as nonsense Synonyms abracadabra, babble, blabber, burble, double Dutch, double-talk, drivel, gabble, gibber, jabber, jabberwocky, mumbo jumbo, gibberish, prattle, slobberRelated Words blah (also blah-blah), hocus-pocus, hokeypokey, twaddle; chatter, gab, patter, prate, tattle, twitter; cackle, clack, clatter