Irredeemable

Ir′re‐deem″a‐ble (?), a. Not redeemable; that can not be redeemed; not payable in gold or silver, as a bond; — used especially of such government notes, issued as currency, as are not convertible into coin at the pleasure of the holder. — Ir′re‐deem″a‐ble‐ness, adv.