uncorrigible

Adjective

incorrigible (not comparable)

1. Defective and impossible to materially correct or set aright.
   • The construction flaw is incorrigible; any attempt to amend it would cause a complete collapse.

   Synonyms:

   irreparable, uncorrectable

2. Unmanageable; impervious to correction by punishment or pain.
   • an incorrigible youth
3. Incurably depraved; not reformable.
   • His dark soul was too incorrigible to repent, even at his execution.

   Synonyms:

   irredeemable, unreformable, reprobate

4. 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 December 7, Michael White, “Breaking up is hard to do, even at the Treasury”, in The Guardian, London

   Synonyms:

   determined, dyed-in-the-wool, hopeless, incurable, unalterable

5. Intrinsically incapable of being corrected; impossible to disprove, by its very nature.
   • The statement "My knee hurts" is incorrigible.
6. (archaic) 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, The British Journal of Psychiatry, volume 6, page 312

See all 7 meanings of incorrigible