irreformable

not capable of being cured or reformed an irreformable liar who long ago lost all interest in telling the truth Synonyms incorrigible, incurable, irrecoverable, irredeemable, hopeless, irremediable, irretrievable, unrecoverable, unredeemableRelated Words irreparable, irreversible, uncorrectable; unencouraging, unpromising; impenitent, unreformed, unregenerate, unrepentantNear Antonyms reversible; encouraging, promising; penitent, regretful, remorseful, repentant, rueful, sorry; correctable, fixable, rectifiable, repairable, reparable, salvable, salvageableAntonyms curable, reclaimable, recoverable, redeemable, reformable, remediable, retrievable, savable (or saveable)