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1. Having more than two and usually more than three syllables.
2. Characterized by words having more than three syllables.

pol′y·syl·lab′i·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌpɒlɪsɪˈlæbɪk) or


(Linguistics) consisting of more than two syllables
ˌpolysylˈlabically adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌpɒl i sɪˈlæb ɪk)

also pol`y•syl•lab′i•cal,

1. consisting of several, esp. four or more, syllables.
2. characterized by polysyllabic words, as a language or piece of writing.
pol`y•syl•lab′i•cal•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.polysyllabic - having or characterized by words of more than three syllables
syllabic - consisting of a syllable or syllables
2.polysyllabic - (of words) long and ponderous; having many syllables; "sesquipedalian technical terms"
long - primarily spatial sense; of relatively great or greater than average spatial extension or extension as specified; "a long road"; "a long distance"; "contained many long words"; "ten miles long"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


Having many syllables:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


[ˈpɒlɪsɪˈlæbɪk] ADJpolisílabo
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005


adjviel- or mehrsilbig
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007


[ˌpɒlɪsɪˈlæbɪk] adjpolisillabo/a
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in classic literature ?
Yet I will not altogether blame it, for it made me know, as nothing else could, the resources of our tongue in that sort; and in the revolt from the slavish bondage I took upon myself I did not go so far as to plunge into any very wild polysyllabic excesses.
I have jotted down the very words of their argument, but now it degenerates into a mere noisy wrangle with much polysyllabic scientific jargon upon each side.
A man who intermingled nameless argot with polysyllabic and technical terms, he would seem sometimes the veriest criminal, in speech, face, expression, everything; at other times the cultured and polished gentleman, and again, the philosopher and scientist.
Mrs Betty Higden was herself in a moment, and brought them all to order with that speed, that Sloppy, stopping short in a polysyllabic bellow, transferred his energy to the mangle, and had taken several penitential turns before he could be stopped.
He talked of his hated schooldays ("It was a tough school - put it this way, we had our own coroner"), but of how his English teacher, John Malone, instilled in him and his classmates a love of poetry: "It became a hothouse of poetic competitiveness - it was a badge of honour to use polysyllabic speech at all times.
ANGLO-AFRICANHis dry, wry humour and his predilection for polysyllabic terminology (meaning his love of long words) made him almost a caricature of the typical British academic.
The errors were largely present in the medial parts of polysyllabic words, which parallels other research suggesting that encoding medial phonemes requires considerably greater processing skill than encoding initial and final phonemes, and that the cognitive load is greater when words are polysyllabic (Cassady & Smith, 2004; Cassady, Smith & Putman, 2008; Larkin, Williams & Blaggan, 2013).
The other is adding "'s" [apostrophe "s"] to form the possessive of polysyllabic names such as "Socrates's" or "Ulysses's."
Further, the tasks were more and more complicated, so the patient was asked to read the syllables, then monosyllabic and afterwards polysyllabic words.
The test results showed that the success rate of voice input was over 98%, and the accuracy rate of spoken voices of monophthong words, diphthong words and polysyllabic words was 97.15%, 94.96% and 93.62% respectively, suggesting that the system could accurately input and score English learners ' spoken English, and assist English pronunciation.
The auditory performance was assessed using Listening Progress Profile Test (LPPT) and Monosyllabic Trochee Polysyllabic Test (MTP), the subsections of Evaluation of Auditory Responses to Speech (EARS) test battery.
Years of listening have nailed his words into my head: brittle consonants and yowled vowels, a spray of polysyllabic elocution cut abruptly short by something funny, something wounding, and thus moving, bristling, ragged with need.