A long word.
“The fine old fellow,” as a Northern contemporary of ours patronizingly calls him, certainly rolled out his sesquipedalians with a majesty previously unknown, and gave a fine organ-like swell to his full-blow periods;
A person who uses long words.
Word-watchers, verbivores, and sesquipedalians love a challenge.
Long; polysyllabic.
The most common use of "antidisestablishmentarianism" is as an example of a sesquipedalian word.
Pertaining to or given to the use of overly long words.
Our dinner guest was so sesquipedalian that no one could understand what he said.
From sesquipedal + -ian (adjective- and noun-forming suffix), root from Latin sēsquipedālis (literally “a foot and a half long”), from Latin sēsqui (“one and a half times”) + Latin pedālis (“measuring...
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