invalidate
ɪnˈvælɪˌdeɪt
Definition Synonyms Conjugation

Definition of invalidate - Reverso English Dictionary

Verb

tr.
1.
effectivenessrender something ineffective or weak
  • The new findings invalidated the old methods.
annul negate nullify
2.
legalTECH.make a contract or law voidTECH.
  • The court invalidated the contract.
nullify void
3.
logicTECH.prove an argument or theory wrongTECH.
  • New evidence invalidated the previous theory.
disprove refute
4.
discreditRarecause to be no longer accepted or respectedRare
  • His arguments were strong enough to invalidate the theory..
discredit nullify
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Origin of invalidate

Latin, in (not) + validus (strong)

Terms with invalidate included in their meaning

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invalidate
mark or cross out something to show it is no longer valid
legal
annul or invalidate a legal decision
legal
invalidate a law or regulation
legal annulment
invalidate a contract or agreement
elections
invalidate a ballot by voting for too many options

Examples of invalidate in a sentence

  • His actions may invalidate the contract terms.
  • The new evidence could invalidate the previous ruling.
  • A technicality might invalidate the entire agreement.
  • The scientist's findings invalidated the long-held belief.
  • His argument was invalidated by the new data.
  • New evidence could invalidate the previous findings.

View all translations of invalidate

Click below to see the appropriate translations facing each meaning.
  1. French:invalider, rendre nul, ...
  2. German:entkräften, für ungültig erklären, ...
  3. Italian:invalidare, confutare, ...
  4. Spanish:invalidar, dejar sin efecto, ...
  5. Portuguese:invalidar, revogar, ...
  6. Chinese:使失效, 判定无效, ...
  7. Japanese:無効にする, 取り消す, ...
  8. Arabic:أَبْطَلَ, أَلْغَى, ...
  9. Hebrew:לְבַטֵּל, לְבַטֵּל, ...
  10. Russian:делать неэффективным, аннулировать, ...
  11. Ukrainian:анулювати, скасувати, ...
  12. Hindi:अप्रभावी बनाना, निरस्त करना, ...
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