null and void

null and void

adjective

Definition of NULL AND VOID

having no legal or binding force <public disclosure of the terms of the out-of-court settlement renders it null and void>

Synonyms bad, inoperative, invalid, nonbinding, nonvalid, nugatory, null and void, void

Related Words illegal; useless, worthless; ineffective, ineffectual

Near Antonyms legal; working

Antonyms binding, good, valid