Word.ws English Dictionary

Synonyms of invalidate

5 similar words · 1 opposite word

Another word for invalidate is disprove. Other synonyms of invalidate are extinguish, nullify, vitiate and negate. The opposite of invalidate is validate.

Synonyms and similar words for invalidate

verbTo make invalid (especially in to contract law).

verbMore synonyms

  • disproveTo prove to be false or erroneous; to confute; to refute.
  • vitiateTo make something ineffective, to invalidate.
  • negate

Opposite of invalidate

verbMore antonyms

Meaning of invalidate

  1. verb To make invalid (especially in to contract law).
  2. verb To make or declare (an argument, statement, or theory) unsound or erroneous; disprove.
  3. verb To render invalid; discredit.

Full definition of invalidate

invalidate in other languages

Questions about synonyms of invalidate

What is another word for invalidate?
Invalidate has 5 synonyms on Word.ws, such as disprove, extinguish, nullify, vitiate and negate.
What is the opposite of invalidate?
The opposite of invalidate is validate.
What does invalidate mean?
Invalidate means to make invalid (especially in to contract law).

Source and license

Adapted from Wiktionary: invalidate (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.

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