(n.) A word of many syllables, or consisting of more syllables than three; -- opposed to monosyllables, disyllables, and trisyllables\.

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