headlong (adv.) Copy link • headlong (adv.): expr. by praeceps (both lit. and fig.), prōnus: v. headforemost. Adv. phr., in praeceps, Tac. Ann. 4, 22: Ov. Fig.: to be driven h. (on desperate courses): praecipitem agi, Sall. Cat. 39., extr.; abire, ib. 25; ferri, Cic. Verr. 5, 46, 121. Phr.: to plunge h. from a place, praecipitare se e (loco), Cic. Tusc. 4, 18, init.; de (turri), Liv. 23, 37; a (tecto), Sen. Ep. 4, 3.