I.indefatigable (post-Aug.): “cursus,” Plin. 28, 19, 78, § 257: “quiddam est virtus,” Sen. Vit. Beat. 7: “animus,” id. Ep. 66 med.; Lact. 7, 27 fin.; Macr. S. 1, 21, 17.— Adv.: in-fătīgābĭlĭter , indefatigably: “gaudere,” Aug. Ep. 32 ad Paul.
in-fătīgābĭlis , e, adj.,