inveterate Copy link • inveterate: invĕtĕrātus (of old standing: in good or bad sense): Cic. Ph. 5, 11 (opp. to nascens): Nep. To become i., invĕtĕrasco, āvi, 3: of a disease, Lucr. 4, 1064; of a custom, Caes. B. G. 5, 41: to become i. by long delay (of a disease), per longas convalescere moras, Ov. R. Am. 92: so i. a prejudice, tam penitus insita opinio, Cic. Clu. 1, fin.: so, penitus defixa atque haerentia [dedecora], Auct. Har. Resp. 26, extr.