1a : the quality or state of being null especially : legal invalidity. b(1) : nothingness also : insignificance. (2) : a mere nothing : nonentity. 2 : one that is null specifically : an act void of legal effect.

What's the definition for nullity?

Something that is void or has no legal force. A nullity may be treated as if it never occurred. Nullities are commonly found in the context of marriages.

What is the meaning of nullity in law?

/ˈnʌləti/ us. LAW. something such as an agreement or decision which no longer has legal force: The judge ruled that the failure to use the right application form did not render the appeal a nullity.