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Word of the Day Tuesday, June 9, 2026

invalidation

/ɪnˌvælɪˈdeɪʃən/ noun · British & US
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What does invalidation mean?

noun

The act of proving something to be false or invalid; the state of being proved false or invalid. The process of rendering something invalid or ineffective.

Example

"The court's decision was based on the invalidation of the company's tax returns."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for invalidation

Antonyms of invalidation

Rhymes with invalidation

Etymologically related