sesquipedalian. adjective. Given to using long words.

Well here's a damn amusing word I've learned today! Literally meaning "a foot and a half long", sesquipedalian describes long, multisyllabic words. In a more stylistic mean, it could mean anything long and ponderous. But yeah, essentially, sesquipedalian is a long word that describes long words.

If you use is as a noun, it literally is a long word.

I find insurmountable, indefatigable entertainment deriving from my sesquipedalian disposition.

Curse that doctor and his sesquipedalian instructions!

Next thing I knew, the aspiring writer was drowning me in a torrent of unending sesquipedalians...

I so dare you to use this word in next Sunday's writing prompt...

(Other form: sesquipedality; other noun form: sesquipedalianism.)