nonconvertible

/ˌnɑnkənˈvɜrtəbəl/
adjective
  1. Not able to be changed or exchanged for something else, especially currency or another form of value.
    • The country's currency is nonconvertible, so tourists cannot exchange it abroad.
    • The prize was a nonconvertible gift card that could only be used at that specific store.
    • These bonds are nonconvertible, meaning they cannot be turned into company shares.
Antonyms
What does "nonconvertible" mean? | whatsthatwordmean | whatsthatwordmean