polysyllable n 1: a word of more than three syllables [syn: {polysyllable}, {polysyllabic word}]
Polysyllable \Pol"y*syl`la*ble\, n. [Poly- + syllable.] A word of many syllables, or consisting of more syllables than three; -- words of less than four syllables being called {monosyllables}, {dissyllables}, and {trisyllables}. [1913 Webster]
29 Moby Thesaurus words for "polysyllable": antonym, articulation, expression, free form, grandiloquence, hard word, homograph, homonym, homophone, jawbreaker, lexeme, lexiphanicism, linguistic form, locution, logos, long word, metonym, minimum free form, monosyllable, sesquipedalian, syllable, synonym, term, usage, utterance, verbalism, verbum, vocable, word