Lewis & Short

vēcordia, ae, f. [vecors], want of reason, senselessness, silliness, folly; madness, insanity (not in Cic.): tanta vecordia innata cuiquam, Ter. And. 4, 1, 2: prorsus in facie voltuque vecordia inerat, Sall. C. 15, 5: alicui vecordiam objectare, id. J. 94, 4; cf.: studia plena vecordiae, Tac. A. 3, 50: formidine quasi vecordiā exagitari, Sall. J. 72, 2; 99, 3: plurima vecordia constantiam exemerat, Tac. A. 1, 32; 4, 22 fin.; Ov. M. 12, 227: mentes vatum in vecordiam vertere, Just. 24, 6, 9: egregie homo improbus atque immani vecordiā, Gell. 20, 1, 13; 12, 1, 8.