1. (a.) Not corrigible; incapable of being corrected or amended; bad beyond correction; irreclaimable; as, incorrigible error\.

2. (n.) One who is corrigible; especially, a hardened criminal; as, the perpetual imprisonment of incorrigibles.

bad beyond control beyond recall beyond remedy breachy chronic confirmed contumacious cureless deep-dyed deep-fixed deep-rooted deep-seated deep-set deep-settled defiant dyed-in-the-wool established fast fixed fractious gone graceless habitual hardened hopeless immedicable implanted inculcated incurable indocile indomitable infixed inflexible ingrained inoperable instilled insuppressible intractable inveterate irreclaimable irrecoverable irredeemable irreformable irremediable irreparable irrepressible irretrievable irreversible irrevocable long-established lost naughty obdurate obstreperous out of hand past hope past praying for recalcitrant refractory remediless resistant resisting restive rooted ruined set settled settled in habit shrewish shriftless sinful stubborn terminal thorough unalterable unbiddable unchangeable uncontrollable undone ungovernable unmalleable unmanageable unmitigable unmoldable unredeemable unregenerate unrelievable unruly unsalvable unsalvageable unsubmissive villainous wicked wild