noun, plural nul·li·ties for 2-4. the state or quality of being null; nothingness; invalidity. something null.

What does nullity mean?

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.

How do you use nullity in a sentence?

She obtained a decree of nullity dissolving the marriage. The wife can get a decree of nullity, but the child is legitimate. There is the uncertainty of the law as to non-consummation and nullity.