Entry 1 sense Webster, 1913 Irremediable /ĭrˌ-ĭm-ēd'-ē-əb-əl/ · Ir·re·me·di·a·ble · IPA /ˌɪrɪmˈiːdiːəbəl/ 01 a. Not to be remedied, corrected, or redressed; incurable; as, an irremediable disease or evil. 1. Not to be remedied, corrected, or redressed; incurable; as, an irremediable disease or evil.