unconvertible
1. [ adjective ] used especially of currencies; incapable of being exchanged for or replaced by another currency of equal value
Synonyms: unexchangeable inconvertible
Related terms: convertible irredeemable convertibility
Similar spelling:   unconverted
  unconformable
  unconventional
  unconstructive
  unconquerable
  uncontrived
  uncommercial
  unconventionally
  uncommercialised
  uncommercialized
  uncontrolled
  uncontrollable
  unconstricted
  unconstrained
  unconditioned
  unconsidered
  unconfined
  unconstipated
  unconditional
  uncondensed
  unconsolable
  unconvinced