incorrigible UK /ɪnˈkɒɹɪdʒəb(ə)l/US /ɪnˈkɔɹɪd͡ʒəb(ə)l/adjective 6noun 1forms 1 adjective6 •Unmanageable; impervious to correction by punishment or pain. •Incurably depraved; not reformable.His dark soul was too incorrigible to repent, even at his execution. •Unchangeably established in a belief or habit.Gordon Brown may have his grumpy, Granita moments, but as a strategist he is an incorrigible optimist. — 2006 •Defective and impossible to materially correct or set aright.The construction flaw is incorrigible; any attempt to amend it would cause a complete collapse. •Intrinsically incapable of being corrected; impossible to disprove, by its very nature.The statement "My knee hurts" is incorrigible. •(no longer used) Impossible to cure.It may appear as an epidemic, as a hereditary complaint, or as an obstinate and incorrigible disease again and again recurring. — 1859 noun1 •An incorrigibly bad person.The incorrigibles in the prison population are either lifers or habitual reoffenders. formsincorrigibles