immĕmor (inm-), ŏris (ante-class. in the nom. sing. immemoris, Caecil. ap. Prisc. pp. 699 and 772 P.; Com. Fragm. v. 31 Rib.; abl. immemori, Sen. Ben. 7, 3, 2; Cat. 64, 123; 248; al. immemore, Front. Ep. ad M. Caes. 3, 3), adj. [in-memor], unmindful, not thinking, forgetful, regardless, negligent of a thing.
I Lit. (freq. and class.); constr. usually with gen.; less freq. absol. or with an inf.
α With gen.: adeone immemor rerum a me gestarum esse videor? Cic. Sull. 30, 83: hesternorum immemores, acta pueritiae recordari, Quint. 11, 2, 6: beneficii, Ter. And. 44: ne me immemorem mandati tui putares, Cic. Att. 5, 16, 1: istius mandati tui, id. ib. 4, 6, 3: hujus rei, id. Phil. 2, 22, 54: nec erat (L. Gellius) Romanarum rerum immemor, i. e. he was not ignorant of Roman history , id. Brut. 47, 174: venator tenerae conjugis immemor, Hor. C. 1, 1, 26: immemor in testando nepotis, Liv. 1, 34, 3: omnium immemor difficultatum, id. 9, 31, 14: praedae, Tac. A. 14, 36: sepulcri, Hor. C. 2, 18, 18: herbarum (juvenca), Verg. E. 8, 2: graminis (cervus), Hor. C. 1, 15, 30; cf.: qua cibi qua quietis inmemor nox traducta est, Liv. 9, 3, 4: salutis immemores, Curt. 7, 9.—
β Absol. : magna haec immemoris ingenii signa, Cic. Brut. 60, 218: immemori discedens pectore conjux, unfeeling , Cat. 64, 123: mente, id. ib. 249: possimne ingratus et immemor esse? Ov. M. 14, 173; 10, 682; 15, 122; Cat. 30, 1.—
γ With inf.: nihili est, suum Qui officium facere immemor est, nisi adeo monitus, Plaut. Ps. 4, 7, 3; and with acc. and inf.: immemor, Chaeream Cassium nominari, never thinking , not considering , Suet. Calig. 57.—
II Transf., that causes forgetfulness , a poet. epithet of Lethe, Stat. S. 5, 2, 96; Sil. 16, 478; Sen. Herc. Oet. 936.