Origin: Latin suffix -able
Irredeemable has 4 different meanings across 1 category:
A financial instrument that cannot be freely redeemed.
insusceptible of reform
"vicious irreclaimable boys"
"irredeemable sinners"
(of paper money) not convertible into coin at the pleasure of the holder
Not redeemable; not able to be restored, recovered, revoked, or escaped.