Lewis & Short

hirtus, a, um, adj., rough, hairy, shaggy, = δασύς (mostly post-Aug.; cf. hirsutus, hispidus, pilosus, villosus, setosus).

  1. I. Lit.: oves, Varr. R. R. 2, 2, 19: hirto corde quosdam homines nasci proditur, Plin. 11, 37, 70, § 185: ora (Scythis), Curt. 4, 13: frons, Sil. 16, 121: toga, Luc. 2, 386; Quint. 12, 10, 47; cf. tunica, Nep. Dat. 3, 2: setae in corpore, Ov. M. 13, 850; cf. comae, Curt. 5, 6 fin.: saxa dumis, Stat. S. 3, 1, 13; cf. saepes, Col. poët. 10, 27; and: ager spinigeris stirpibus, Prud. στεφ. 11, 120: hirtiora folia, App. Herb. 71: aequor, rough, uneven surface, Prud. στεφ. 9, 53.
  2. II. Trop., of character, rough, rude, unpolished: non tibi parvum Ingenium, non incultum est et turpiter hirtum, * Hor. Ep. 1, 3, 22: C. Marius hirtus atque horridus, Vell. 2, 11 (cf., of Marius sordidum me et incultis moribus aiunt, Sall. J. 85, 39).