in-sānābĭlis

e, adj.
I. that cannot be cured or healed, incurable (class.).
I. Lit.: morbus, Cic. Tusc. 5, 1, 3: vulnus, Col. 7, 5, 13: venenum, Plin. 7, 15, 13, § 64.—
II. Trop., irretrievable, without remedy, hopeless: contumeliae, Cic. Or. 26, 89: ingenium, Liv. 1, 28, 9: nihil insanabilius, id. 28, 25, 7: insanabili leto perire, Plin. 24, 17, 100, § 157: dolor, Quint. 6 prooem. § 6: caput insanabile tribus Anticyris, Hor. A. P. 300: scribendi cacoethes, Juv. 7, 51.—Adv.: insānābĭlĭter, incurably, Cael. Aur. Tard. 5, 2, 45: aeger, Marcell. et Faust. ap. Libr. Prec. ad Imp. p. 19 Sirmond.
Lewis & Short
A Latin Dictionary, 1879
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