From Longman Dictionary of Contemporary Englishnull and voidnull and voidlaw an agreement, contract etc that is null and void has no legal force SYN invalid The contract was declared null and void. → null
Examples from the Corpus
null and void• If the contract has not been signed by witnesses, it is considered null and void.• Yet it was Shirley Place who kept the interview firmly null and void.• The elections were declared null and void.• As far as he was concerned, all of the points of agreement that had already been reached were null and void.• He decided that the marriage was null and void.• My effective vote could be my first preference vote, in which case all my other preferences are null and void.• On Oct. 28 the Council declared this clause unconstitutional and therefore null and void.• The contract was declared null and void.• Went in there, saw the judge, and he say the deed was null and void.• Also null and void is any stipulation releasing a partner from playing an active role in running the business.From Longman Business Dictionarynull and voidˌnull and ˈvoid adjective [not before a noun]LAW a contract, agreement etc that is null and void has no effect because it is against the lawThe judge declared this agreement null and void because it contravened an earlier ruling of the federal court. 