Lewis Short
(adj.adv.) : in-grātus, a, um, adj.
* Unpleasant, disagreeable (class. in prose and poetry).
* Of things: bene quae in me fecerunt, ingrata habui,Plaut. Am. 1, 1, 30: sin autem ingrata esse sentiam,Cic. Fam. 5, 5, 3: fuit haec oratio non ingrata Gallis. Caes. B. G. 7, 30: ingratam Veneri pone superbiam,Hor. C. 3, 10, 9: labor,Verg. G. 3, 97: jocus,Ov. F. 3, 738: sapor,Col. 7, 8, 7.
* Unthankful, ungrateful.
* Lit.: ingratus est, qui beneficium accepisse se negat, quod accepit: ingratus qui dissimulat: ingratus qui non reddit: ingratissimus omnium, qui oblitus est,Sen. Ben. 3, 1: nihil cognovi ingratius,Cic. Att. 8, 4, 2: ingrati animi crimen,id. ib. 9, 2, 2: ingratum esse in aliquem,Liv. 38, 50, 7; Cic. N. D. 1, 33, 93; Sen. Contr. 4, 24, 2: contra aliquem,Dig. 4, 2, 21: vir adversus merita Caesaris ingratissimus,Vell. 2, 69; cf. Val. Max. 5, 3, ext. 2: quia nihil amas, quom ingratum amas,irresponsive, who makes no return,Plaut. Pers. 2, 2, 46.
* With gen.: salutis,not grateful for his preservation,Verg. A. 10, 666.
* Transf., of inanimate things that do not repay the trouble bestowed upon them, ungrateful: ager, thatbears nothing, Mart. 10, 47, 4: amicitiae,id. 5, 19, 8: ignosces tamen post, et id ingratum,you will get no thanks for it,Ter. Heaut. 5, 1, 61: pericla,Verg. A. 7, 425: cubile,id. ib. 12, 144: ingratā ingluvie rem stringere (i. e. quae numquam satiatur, numquam acceptis contenta est),insatiable,Hor. S. 1, 2, 8: ingrato vocem prostituisse foro,Ov. Am. 1, 15, 6: mulier contra patronum suum ingrata,Dig. 4, 2, 21.— Hence, adv.: ingrātē.
* Unpleasantly, disagreeably: ingrate viridis gemma,Plin. 37, 5, 19, § 74: sunt quibus ingrate timida indulgentia servit,Ov. A. A. 2, 435: non ingrate nominando Varrone,not unwillingly,Plin. 18, 3, 5, § 23 (al. in grege).
* Unthankfully, ungratefully: ingrate nostra facilitate abutuntur,Cic. Fam. 12, 1, 2: aliquid ferre,to receive a thing with unthankfulness,Tac. H. 1, 52: ut sucus qui ingrate his (pomis vitiosis) posset impendi, ad meliora vertatur,Pall. 7, 5.
Charlton T. Lewis, Charles Short, A Latin Dictionary