I.v. n., to grow or become hard, to harden (class. only in the trop. signif.; syn. occalesco).
I. Lit., Cato, R. R. 50: “semen diuturnitate obdurescit,” Varr. R. R. 3, 14, 5: “nervis divinis,” Arn. 5, 18.—
II. Trop., to become hardened, insensible, obdurate: “ita miser cubando in lecto hic expectando obdurui,” Plaut. Truc. 5, 24: “ad ista obduruimus,” Cic. Att. 13, 2, 1: “usu obduruerat et percalluerat civitatis incredibilis patientia,” id. Mil. 28, 76: “nisi obduruisset animus ad dolorem,” id. Fam. 2, 16, 1: “contra fortunam,” id. Tusc. 3, 28, 67; cf. id. Fin. 3, 11, 37: “consuetudine,” id. Phil. 2, 42: “amicorum alii obduruerunt,” id. Fam. 5, 15: “Gorgonis vultu,” at the sight of, Prop. 3, 20, 13: “dociliora sunt ingenia, priusquam obduruerunt,” Quint. 1, 12, 8.
