Illegality
Illegality noun - Unlawfulness by virtue of violating some legal statute.
Invalidity and illegality are semantically related. In some cases you can replace term "Invalidity" with "Illegality", this nouns are similar.
Invalidity
Invalidity noun - Illogicality as a consequence of having a conclusion that does not follow from the premisses.
Illegality and invalidity are semantically related. Sometimes you can use "Illegality" instead a noun "Invalidity".
Mutual synonyms
Cite this Source
Invalidity and Illegality. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/illegality/invalidity
Illegality & Invalidity. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/illegality/invalidity>.
Invalidity or Illegality. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/illegality/invalidity.
Google Ngram Viewer shows how "illegality" and "invalidity" have occurred on timeline