Lewis & Short

dēbĭlĭtas, ātis, f. [debilis], lameness, debility, infirmity, weakness (good prose).

  1. I. Lit.: linguae, Cic. Pis. 1: membrorum, Liv. 33, 2: pedis, Labeo ap. Gell. 4, 2, 4: pedum, Tac. H. 1, 9: aliqua corporis, * Suet. Calig. 26 fin. et saep.
    Absol.: bonum integritas corporis, miserum debilitas, Cic. Fin. 5, 28, 84; so id. Tusc. 3, 34; id. de Inv. 1, 25, 36; Liv. 2, 36; Cels. 5, 26, 28; Juv. 14, 156; Quint. 5, 12, 19; Plin. Ep. 8, 18, 9 al.
    In plur.: a se dolores, morbos, debilitates repellere, Cic. Fin. 4, 8 fin.; Gell. 7, 1, 7; Arnob. 1, 46 sq.
  2. II. Trop.: animi, Cic. Fin. 1, 15: mollis debilitate Galliambus, Mart. 2, 86, 5.