a very long word (a foot and a half long) given to the overuse of long words; "sesquipedalian orators"; "this sesquipedalian way of saying one has no money
() Lit. “a foot and a half long”. From sesqui-, from Latin sesqui (“one and a half”); + pedal, from Latin pedis, form of pes (“foot”), + adjective suffix -alis; + adjective suffix -ian. Cognate to French sesquipédal, Latin sesquipedalis.