/ ɪnˈkjʊərəbl; NAmE -ˈkjʊr-/ adjective
1.
that cannot be cured :
an incurable disease / illness
OPP curable
2.
that cannot be changed
SYN incorrigible :
She's an incurable optimist.
► in·cur·ably / -əbli; NAmE / adverb :
incurably ill / romantic
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WORD ORIGIN
Middle English : from Old French , or from late Latin incurabilis , from in- not + curabilis (from Latin curare take care of, from cura care).