unexchangeable

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. not suitable to be exchanged
• Ant:
exchangeable
• Similar to:
incommutable
• Derivationally related forms:
unexchangeability
2. used especially of currencies;
incapable of being exchanged for or replaced by another currency of equal value
• Syn:
inconvertible, unconvertible
• Ant:
convertible (for: inconvertible)
• Similar to:
irredeemable
• Derivationally related forms:
unexchangeability, inconvertibility (for: inconvertible)
• Attrubites:
convertibility