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polysyllabic

/ˌpɒl.ɪ.sɪˈlæb.ɪk/ adjective

adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about polysyllabic at Wordnik → Where our words come from →

  1. Having more than one syllable; having multiple or many syllables.
    "Antidisestablishmentarianism" definitely qualifies as a polysyllabic word.
  2. Characterized by or consisting of words having numerous syllables.
    I have a particularly off-putting predilection for the utilization of ponderously polysyllabic linguistic constructions.

noun

  1. A word having more than one syllable