A word of more than three syllables.

synonym: polysyllabic word.

Roget 561: letter; character; hieroglyphic etc. (writing) 590; type etc. (printing) 591; capitals; digraph, trigraph; ideogram, ideograph; majuscule, minuscule; majuscule, minuscule; alphabet, ABC^†, abecedary^†, christcross-row.    consonant, vowel; diphthong, triphthong [Gramm.]; mute, liquid, labial, dental, guttural.    syllable; monosyllable, dissyllable^†, polysyllable; affix, suffix.    spelling, orthograph^†; phonography^†, phonetic spelling; anagrammatism^†, metagrammatism^†.    cipher, monogram, anagram; doubleacrostic^†.    ... show more