irreformable

[ir-i-fawr-muh-buh l]

adjective

insusceptible to reforming influences; incorrigible.
not subject to improvement; final; perfect: irreformable doctrine.

Origin of irreformable

First recorded in 1600–10; ir-² + reform + -able

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for irreformable

Historical Examples of irreformable

Irreformable, ir-re-for′ma-bl, adj. not reformable, not subject to revision or improvement.
Chambers's Twentieth Century Dictionary (part 2 of 4: E-M)
Various
All dogmatic decrees of the Pope, made with or without his general council, are infallible and irreformable.
Catholic World, Vol. XIII, April to September, 1871
Various
Then I imagined their recognising with a blush and a shrug that she was unteachable, irreformable.
The Real Thing and Other Tales
Henry James