Invalidity
Invalidity noun - Illogicality as a consequence of having a conclusion that does not follow from the premisses.
Illogicalness and invalidity are semantically related. In some cases you can use "Illogicalness" instead a noun "Invalidity".
Illogicalness
Illogicalness noun - Invalid or incorrect reasoning.
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Synonyms for Illogicalness
Invalidity and illogicalness are semantically related. Sometimes you can use "Invalidity" instead a noun "Illogicalness".
Mutual synonyms
Cite this Source
Illogicalness and Invalidity. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/invalidity/illogicalness
Invalidity & Illogicalness. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/invalidity/illogicalness>.
Illogicalness or Invalidity. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/invalidity/illogicalness.
Google Ngram Viewer shows how "invalidity" and "illogicalness" have occurred on timeline