Invalidation and Validation

Opposite meaning words

Invalidation noun - The doing away with something by formal action.

Usage example: sought speedy invalidation of the contract, which had been signed without parental consent

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Validation is an antonym for invalidation.

Validation noun - Something presented in support of the truth or accuracy of a claim.

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Invalidation is an antonym for validation.

Cite this Source

Validation and Invalidation. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/invalidation/validation

Invalidation & Validation. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/invalidation/validation>.

Validation or Invalidation. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/invalidation/validation.

Google Ngram Viewer shows how "invalidation" and "validation" have occurred on timeline