trībŭlōsus, a, um, adj. [tribulus].
I Lit., full of thorns or thistles (late Lat.): voragines viarum, Sid. Ep. 3, 2 fin. —
II Trop., thorny , rough : opus, Sid. Ep. 4, 3. — Sup. : tribulosissima dissimulatio, Sid. Ep. 1, 7 med.