Void Law and Legal Definition
Void refers to something which is null and of no effect, such as a a statute, contract, or ruling. A law or judgment found by an appeals court to be unconstitutional is void, a rescinded contract is void, and a marriage which has been annulled by court judgment is void.
Some contracts are void as a matter of public policy, such as an agreement not to marry any one, or not to follow any business; the one being considered in restraint of marriage, and the other in restraint of trade. Also, a fraudulent contract is void.