Aesopian language, Greek, argot, babble, bedlam, cacophony, cant, cipher, clamor, clash, code, confusion of tongues, cryptogram, double Dutch, garble, gibberish, gift of tongues, glossolalia, gobbledygook, harshness, hell, jangle, jar, jargon, jumble, mere noise, noise, pandemonium, racket, scramble, secret language, slang, static