crĕper, ĕra, ĕrum, adj. [Sabine; kindr. with Sanscr. kshapā, night, and Gr. κνέφας], dusky, dark; hence, trop., uncertain, obscure, doubtful, wavering (ante- and post-class.), Varr. L. L. 6, § 5; 7, § 77; cf. Non. p. 13, 15 sq.; Paul. ex Fest. p. 52, 18 Müll. *
I Lit., only subst.: crĕpĕrum , i, n., darkness : noctis, Symm. Ep. 1, 7.—
II Trop.: res, Pac. ap. Non. p. 13, 29; Att. ib. p. 21 sq.; Varr. 1. 1.: belli certamina, Lucr. 5, 1295: oracla, Varr. ap. Non. p. 14, 4.