/ Thesaurus / I Synonyms of incurability Find synonyms for: Noun1. incurability, incurableness, characteristicusage: incapability of being cured or healed2. incurability, unalterabilityusage: incapability of being altered in disposition or habits; "the incurability of his optimism"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language