8
sesquipedalia
7
polysyllabic(adjective, long)
7
lengthy(adjective, length)
7
long(adjective, long, length)
5
bombastic
5
interminable
5
pompous
5
sesquipedal(adjective, ornament, long)
4
grandiloquent
3
pretentious
3
flashy
3
inflated
3
long-winded
3
longsome
3
ornate
3
polysyllable
3
prolix
3
rhetorical
3
sententious
3
turgid
11 years ago|4.4k views|share |citing 
APASmart Define. (2015). sesquipedalian thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/sesquipedalian/thesaurus/synonyms
ChicagoSmart Define. 2015. "sesquipedalian thesaurus" https://smartdefine.org/sesquipedalian/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, sesquipedalian thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/sesquipedalian/thesaurus/synonyms>.
MLASmart Define. "sesquipedalian thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/sesquipedalian/thesaurus/synonyms>