Invalidity
Invalidity noun - Illogicality as a consequence of having a conclusion that does not follow from the premisses.
Nullity and invalidity are semantically related. In some cases you can use "Nullity" instead a noun "Invalidity".
Nullity
Nullity noun - A person of no importance or influence.
Mutual synonyms
Cite this Source
Nullity and Invalidity. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/invalidity/nullity
Invalidity & Nullity. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/invalidity/nullity>.
Nullity or Invalidity. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/invalidity/nullity.
Google Ngram Viewer shows how "invalidity" and "nullity" have occurred on timeline