sesquipedal

• Convention, presides with a more avowed and certain sway over the realms of fashion; and the Turkish draperies that may float very gracefully on a form like hers, are imitated by rotund sesquipedal Fatimas, who make one regret even the tight lacings and unnatural diminishings of our grandmothers. —  A Residence in France During the Years 1792, 1793, 1794 and 1795, Complete Described in a Series of Letters from an English Lady: with General and Incidental Remarks on the French Character and Manners

Roget's II: The New Thesaurus