indigestible Copy link Outline 1. grăvis, e (opp. to lĕvis)2. difficilis ad concŏquendum • indigestible: 1. grăvis, e (opp. to lĕvis): i. food, g. cibus, Cic. N. D. 2, 9, 24: Cels. 2. difficilis ad concŏquendum: cf. Cic. l. c.