I.causing fear, terrible, formidable (poet. and in post-class. prose; cf. “formidolosus): lumen,” Ov. M. 2, 857: “nec formidabilis ulli,” id. ib. 2, 174: “Orcus,” id. ib. 14, 116: “aspectus,” Gell. 14, 4, 2: “sonus,” id. 19, 1, 17: “dolores et metus, per se formidabiles res,” Sen. Ep. 123, 14.—In the neutr. adverbially: “formidabile ridens,” Stat. Th. 8, 582.
formīdābĭlĭs , e, adj. 1. formido,