Definition of “incurable” - English Dictionary

“incurable” in British English

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(Definition of “incurable” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“incurable” in American English

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incurableadjective [ not gradable ]

us /ɪnˈkjʊr·ə·bəl/

not able to be cured:

Before antibiotics the disease was incurable.

If you describe someone as incurable, you mean that nothing that happens can change something about the person:

Marjorie is an incurable optimist.

(Definition of “incurable” from the Cambridge Academic Content Dictionary © Cambridge University Press)