Lewis & Short

immĕdĭcābĭlis (inm-), e, adj. [inmedicabilis], incurable (poet.).

  1. I. Lit.: vulnus, Ov. M. 1, 190; 10, 189: telum, the wound of which is incurable, Verg. A. 12, 858.
  2. II. Trop.: ira, Sil. 1, 147; 14, 292.