Invalidity and Weakness

Invalidity

Invalidity noun - Illogicality as a consequence of having a conclusion that does not follow from the premisses.

Weakness and invalidity are semantically related in disadvantage topic. In some cases you can use "Weakness" instead a noun "Invalidity", when it comes to topics like feebleness.

Weakness

Weakness noun - The quality or state of lacking physical strength or vigor.

Invalidity and weakness are semantically related in defect topic. You can use "Invalidity" instead a noun "Weakness", if it concerns topics such as feebleness.

Nearby Words: weak, weaken, weakly, weakening, weakling
Cite this Source
Weakness and Invalidity. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/invalidity/weakness
Invalidity & Weakness. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/invalidity/weakness>.
Weakness or Invalidity. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/invalidity/weakness.
Google Ngram Viewer shows how "invalidity" and "weakness" have occurred on timeline