<p><strong>Adjective</strong></p><ul><li>not curable; that cannot be cured, remedied, or corrected: an incurable disease.</li><li>not susceptible to change: his incurable pessimism.</li></ul><p><strong>Synonyms</strong></p><ul><li>relentless</li><li>incorrigible</li></ul><p><strong>Noun</strong></p><ul><li>a person with an incurable disease.</li></ul>