fragilitas, ātis, f. fragilis, brittleness, fragility. Lit.: tus probatur candore, amplitudine, fragilitate, Plin. 12, 14, 32, § 65: tenuiora ferramenta oleo restingui mos est, ne aqua in fragilitatem durentur, id. 34, 14, 41, § 146.

— Transf. (acc. to fragilis, II.), weakness, frailness, frailty: humani generis imbecillitatem fragilitatemque extimescere, Cic. Tusc. 5, 1, 3: mortalitatis, Plin. Ep. 4, 24, 2: naturae communis, Auct. Or. pro Marcello, 7, 22: fidei humanae, App. M. 9, p. 225.