unenforceable
Adjective
Meaning
not enforceable; not capable of being brought about by compulsion
Source: WordNetSynonyms
Antonyms
Examples
When morals are sufficient, law is unnecessary; when morals are insufficient, law is unenforceable.
The ultimate solution to the race problem lies in the willingness of men to obey the unenforceable.
Laws are useless when men are pure, unenforceable when men are corrupt.
an unenforceable law
unenforceable reforms
Any such regulation would be "void for vagueness" and unenforceable.