Certainty and Invalidity

Opposite meaning words

Certainty noun - A state of mind in which one is free from doubt.

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Invalidity is an antonym for certainty.

Nearby Words: certain, certainly

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

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Certainty is an antonym for invalidity in topics: fallacy, illusion.

Cite this Source

Invalidity and Certainty. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/certainty/invalidity

Certainty & Invalidity. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/certainty/invalidity>.

Invalidity or Certainty. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/certainty/invalidity.

Google Ngram Viewer shows how "certainty" and "invalidity" have occurred on timeline