9
sesquipedalian(adjective, long)
8
long(adjective, long)
4
syllabic
3
jawbreaking
3
longer
3
sesquipedal(adjective, long)
3
two-dollar word
3
vocalic
2
disyllabic
2
polysyllable
1
decasyllabic
1
syllabics
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APASmart Define. (2015). polysyllabic thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/polysyllabic/thesaurus/synonyms
ChicagoSmart Define. 2015. "polysyllabic thesaurus" https://smartdefine.org/polysyllabic/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, polysyllabic thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/polysyllabic/thesaurus/synonyms>.
MLASmart Define. "polysyllabic thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/polysyllabic/thesaurus/synonyms>