법률, 계약, 의무 등이 강제되거나 집행될 수 없는.
Impossible to compel observance of or compliance with, especially regarding a law, contract, or obligation.
예문:
"The judge declared the contract unenforceable due to a technical error."
"Vague terms can make a legal agreement unenforceable in a court of law."
"The new regulation proved to be unenforceable without additional police resources."