What is the Latin word for incurable?

The usual Latin words for “incurable” are īnsānābilis, dēspērō. The right choice depends on the sense; see the distinctions below.

English → Latin

“incurable” in Latin

īnsānābilisincurable dēspērōto have no hope of; to despair of

The English word incurable itself goes back to Latin cūra, through incurabilis.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

incurable

insanabilis (of things; e.g., illness, wound: ☞ immedicabilis is poetical only): desperatus (given up by the physicians, hopeless; of the illness and the patient).

Quick answer

What is the Latin word for incurable?: The usual Latin words for “incurable” are īnsānābilis, dēspērō. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.