sesquipedalian

A long word.

Given to or characterized by the use of long words.

Long and ponderous; polysyllabic.

Containing or measuring a foot and a half: as, a sesquipedalian pygmy: often humorously said of long words, in translation of Horace’s sesquipedalia verba (words a foot and a half long).

Addicted to the use of long words.

A long word.

A person who uses long words.

long; polysyllabic.

Pertaining to or given to the use of overly long words.

given to the overuse of long words