I.weakness, feebleness (class.; cf. infirmitas).
I. Of the body: Tulliae meae morbus et imbecillitas corporis me exanimat. Cic. Att. 11, 6, 4: “virium (with infirmitas laterum),” id. Brut. 55, 202: “valetudinis,” id. Fam. 7, 1, 5: “Niciae nostri (with mollitia),” id. Att. 12, 26, 2; Suet. Gramm. 14; “with senium,” id. Calig. 44: imbecillitate Augusti nuntiata, i. e. indisposition, id. Tib. 11: “qui suae imbecillitati sanitatis appellationem, quae est maxime contraria, optendant,” Quint. 12, 10, 15: “materiae,” Caes. B. C. 2, 15, 2.—
B. Transf., of condition as regards ability, powerlessness, impotency, helplessness, imbecility: “utrum propter imbecillitatem atque inopiam desiderata sit amicitia,” Cic. Lael. 8, 26; 9, 29; 32; id. Rep. 1, 25, 39; 3, 14; cf.: “humani generis imbecillitatem fragilitatemque extimescere,” id. Tusc. 5, 1, 3.—
II. Of the mind: “animi,” Caes. B. G. 7, 77, 9: “ingenii,” Plin. Ep. 4, 18, 1: “consilii,” Cic. Off. 1, 32, 117: “magistratuum,” id. Fam. 1, 4, 3: “fallit plerumque, quod probitas vocatur, quae est imbecillitas,” Quint. 6, 4, 12: “neque illos imbecillitatis damnandos,” Tac. A. 4, 8.