invalidate

[ɪnˈvælɪdeɪt]

invalidate Definition

• 1. to make something no longer valid or effective
• 2. to weaken or damage someone's argument or claim

Using invalidate: Examples

Take a moment to familiarize yourself with how "invalidate" can be used in various situations through the following examples!

• Example

  The court invalidated the contract due to a breach of terms.

• Example

  The new evidence completely invalidated his previous testimony.

• Example

  Her lack of experience invalidated her claim for the position.

invalidate Synonyms and Antonyms

Synonyms for invalidate

• nullify
• void
• annul
• cancel
• negate

Antonyms for invalidate

• validate
• confirm
• support

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Summary: invalidate in Brief

The verb 'invalidate' [ɪnˈvælɪdeɪt] means to make something no longer valid or effective, or to weaken or damage someone's argument or claim. It is often used in legal or formal contexts, such as 'The court invalidated the contract due to a breach of terms.' 'Invalidate' can also be used to describe the act of rendering something useless, as in 'The new evidence completely invalidated his previous testimony.'