I.full of monsters, monstrous, portentous, unnatural, hideous, revolting, etc. (class., but not used of abstract things till after the Aug. period): “si quando aliqua portentosa aut ex pecude aut ex homine nata dicuntur,” Cic. Div. 2, 28, 60: “puer portentoso parvoque capite,” Suet. Dom. 4: “portentosissima genera ciborum,” id. Calig. 37: “labyrinthi, vel portentosissimum humani impendii opus,” Plin. 36, 13, 19, § 84: “mendacia Graeciae,” id. 5, 1, 1, § 4: “scientia,” i. e. of wonderful things, id. 23, 1, 27, § 58: “ars,” id. 30, 1, 2, § 8: “ingenia,” id. 9, 41, 65, § 140: “quo quid fieri portentosius potest?” Sen. Ep. 87, 19: “oratio portentosissima,” id. ib. 114, 8.
portentōsus (-tŭōsus ), a, um, adj. portentum,