Ensure and Invalidate

Opposite meaning words

Ensure verb - To make sure, certain, or safe.

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Invalidate is an antonym for ensure in guarantee topic.

Nearby Word: ensuring

Invalidate verb - To put an end to by formal action.

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Ensure is an antonym for invalidate.

marriage	ensure marriage	invalidate marriage
rule	ensure rule	invalidate rule
game	ensure game	invalidate game
immortality	ensure immortality	invalidate immortality
Other words: freedom, existence.

Cite this Source

Invalidate and Ensure. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/ensure/invalidate

Ensure & Invalidate. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/ensure/invalidate>.

Invalidate or Ensure. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/ensure/invalidate.

Google Ngram Viewer shows how "ensure" and "invalidate" have occurred on timeline