applesauce(slang), balderdash, baloney(also boloney), beans, bilge, blah(also blah-blah), blarney, blather, blatherskite, blither, bosh, bull(slang), bunk, 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), nonsense, nuts, piffle, poppycock, punk, rot, rubbish, senselessness, silliness, slush, stupidity, taradiddle(or tarradiddle), tommyrot, tosh, trash, trumpery, twaddle

absurdity, asininity, fatuity, foolery, idiocy, imbecility, inaneness, inanity, insanity, kookiness, lunacyabsurdness, craziness, madness, witlessnesshoity-toity, monkey business, monkeyshine(s), shenanigan(s), tomfoolerygas, hot air, rigmarole(also rigamarole)double-talk, greek, hocus-pocus