invalidate

Word family

in·val·i·date /ɪnˈvælədeɪt/ AWL verb [transitiveT]

1 USE somethingto make a document, ticket, claim etc no longer legally or officially acceptable 使无效，使作废

Failure to disclose all relevant changes may invalidate your policy.

未能披露所有的相关变化会令保单无效。

2 WRONG/INCORRECTto show that something such as a belief or explanation is wrong 证明〔信念、解释等〕错误

Later findings invalidated the theory.

后来的发现推翻了这一理论。

Examples from the Corpus

invalidate• If we look closely at Professor Thomson's argument, we see that his conclusion is invalidated by a number of factual errors.• None of the more recent views invalidates Hahnemann's original discoveries or teachings.• The elements of Christianity that come from older beliefs do not necessarily invalidate the religion.• The Educational Testing Service invalidated the scores of 18 students.

From Longman Business Dictionary

invalidatein·val·i·date /ɪnˈvælədeɪt/ verb [transitiveT]

LAW to make a contract, agreement, document etc invalid

Failure to follow the instructions correctly could invalidate the guarantee.

The Judge’s ruling invalidated the company’s patent.

—invalidation noun [uncountableU]

The Court of Appeals refused to reconsider its previous invalidation of the contract.

Chinese

Syllable

Corpus