Invalidity and Validity
Opposite meaning words
Invalidity
Invalidity noun - Illogicality as a consequence of having a conclusion that does not follow from the premisses.
Validity is an antonym for invalidity.
Validity
Cite this Source
Validity and Invalidity. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/invalidity/validity
Invalidity & Validity. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/invalidity/validity>.
Validity or Invalidity. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/invalidity/validity.
Google Ngram Viewer shows how "invalidity" and "validity" have occurred on timeline