"sesquipedalian" in the noun sense
1. sesquipedalian, sesquipedalia
a very long word (a foot and a half long)
"sesquipedalian" in the adjective sense
1. sesquipedalian
given to the overuse of long words
"sesquipedalian orators"
"this sesquipedalian way of saying one has no money"
2. polysyllabic, sesquipedalian
of words) long and ponderous having many syllables
"sesquipedalian technical terms"
Source: WordNet® (An amazing lexical database of English)
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