Synonyms & Antonyms of invalidate

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Frequently Asked Questions About invalidate

How does the verb invalidate differ from other similar words?

Some common synonyms of invalidate are abrogate, annul, negate, and nullify. While all these words mean "to deprive of effective or continued existence," invalidate implies making something powerless or unacceptable by declaration of its logical or moral or legal unsoundness.

the court invalidated the statute

How are the words abrogate and annul related as synonyms of invalidate?

Abrogate is like annul but more definitely implies a legal or official act.

a law to abrogate trading privileges

When is annul a more appropriate choice than invalidate?

The meanings of annul and invalidate largely overlap; however, annul suggests making ineffective or nonexistent often by legal or official action.

the treaty annuls all previous agreements

When could negate be used to replace invalidate?

Although the words negate and invalidate have much in common, negate implies the destruction or canceling out of each of two things by the other.

the arguments negate each other

When can nullify be used instead of invalidate?

While the synonyms nullify and invalidate are close in meaning, nullify implies counteracting completely the force, effectiveness, or value of something.

a penalty nullified the touchdown

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Time Traveler for invalidate

Time Traveler

The first known use of invalidate was in 1649

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Cite this Entry

“Invalidate.” Thesaurus, Merriam-Webster, Accessed 1 Dec. 2021.

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More from Merriam-Webster on invalidate

Nglish: Translation of invalidate for Spanish Speakers

Britannica English: Translation of invalidate for Arabic Speakers


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