invalidate

/in'vælideit/
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Thân thiện
invalidate

The court's decision will invalidate the old contract.

Definition
  1. Verb:
    • To make something legally or officially ineffective: To remove the legal force, validity, or binding power of a document, agreement, or action.
    • To prove something to be false, incorrect, or unsound: To demonstrate that an argument, assumption, or result is not valid or is based on error.
    • To deprive something of its value or effectiveness: To render something useless, unacceptable, or not fit for its intended purpose.
Usage and Examples

  • Making something legally ineffective:

    • The court's ruling could invalidate the entire contract.
    • A single missing signature might invalidate your application.

  • Proving something to be false or incorrect:

    • The new scientific evidence invalidates the previous theory.
    • His alibi was invalidated by security camera footage.

  • Depriving something of its value or use:

    • Please do not bend the ticket, as it may invalidate the barcode.
    • Using the wrong fuel will invalidate the car's warranty.
Advanced Usage

  • "Invalidate a claim": To prove that a stated right or demand is not justified or legally sound.

    • The insurance company found evidence to invalidate his claim.

  • "Invalidate the results": To declare that the outcomes of a process (like an election or experiment) are not acceptable or accurate.

    • Widespread fraud could invalidate the election results.
Variants and Related Words

  • Invalidation (n): The act of invalidating or the state of being invalidated.

    • The invalidation of the will caused a family dispute.

  • Invalid (adj): Not legally or officially acceptable; not true or correct because of a fault in reasoning.

    • An invalid passport will not be accepted for travel.
    • Your conclusion is invalid because it's based on a false premise.
Synonyms
  • Annul: To declare that something, such as a marriage or law, no longer exists and is not legally valid.
  • Void: To cause something to have no legal force or effect.
  • Nullify: To make something lose its legal effect or value.
  • Cancel: To decide that something arranged in advance will not happen or will no longer be valid.
Antonyms
  • Validate: To check or prove the validity or accuracy of something; to make something legally binding.
  • Confirm: To establish the truth or correctness of something.
  • Uphold: To confirm or support a decision, law, or principle.
Related Phrases and Phrasal Verbs

(Note: "Invalidate" itself is not commonly used in phrasal verb constructions. Its meaning is typically expressed directly.) - To render invalid: A more formal phrase with the same meaning as "invalidate". - Failure to comply will render the agreement invalid.

invalidate

The court's decision will invalidate the old contract.

Verb
  1. take away the legal force of or render ineffective
    • invalidate a contract
  2. show to be invalid
  3. make invalid for use
    • cancel cheques or tickets
  4. declare invalid
    • The contract was annulled
    • void a plea

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