Invalidity and Validness
Opposite meaning words
Invalidity
Invalidity noun - Illogicality as a consequence of having a conclusion that does not follow from the premisses.
Validness is an antonym for invalidity.
Validness
Validness noun - The quality of having legal force or effectiveness.
Invalidity is an antonym for validness in topics: energy, effectiveness, goal, genuineness, authenticity.
Cite this Source
Validness and Invalidity. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/invalidity/validness
Invalidity & Validness. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/invalidity/validness>.
Validness or Invalidity. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/invalidity/validness.
Google Ngram Viewer shows how "invalidity" and "validness" have occurred on timeline