nullify

Từ điển LongMan Dictionary

nul‧li‧fy/ˈnʌləfaɪ, ˈnʌlɪfaɪ/ verb (past tense and past participle nullified, present participle nullifying, third person singular nullifies) [TRANSITIVE]
1. law to officially state that something has no legal force:
　 ▪ The election results were nullified because of voter fraud.

2. formal to make something lose its effect or value SYN cancel out:
　 ▪ Recent inflation could nullify the economic growth of the last several years.

—nullification /ˌnʌləfəˈkeɪʃən, ˌnʌlɪfəˈkeɪʃən/ noun [UNCOUNTABLE]

verb
EXAMPLES FROM OTHER ENTRIES
▪ Hall's touchdown pass was nullified by the referee.
▪ The judge nullified the sale of the property.
EXAMPLES FROM CORPUS
▪ And we do know that for some gravitational reason we've yet to fathom, the absorption effect is nullified below ground-level.
▪ But a holding penalty on young wide receiver Iheanyi Uwaezuoke nullified the play.
▪ Even if disease or injury does not nullify our appearance, the law of gravity will soon alter it significantly!
▪ If this were not done, the benefit to the released debtor would be nullified by the operation of the indemnity covenant.
▪ Paul ordinance nullified by the Supreme Court.
▪ The agency has sued to nullify the contract, claiming it was illegal.
▪ The church had, of course, been put there deliberately both to use and to nullify the site of the previous religion.
▪ The legislation also nullifies an interpretive bulletin on ETIs issued by the Labor Department last summer.

• Từ đồng nghĩa / Synonyms:
  neutralize, neutralise, negate, invalidate, annul, quash, void, avoid
• Từ trái nghĩa / Antonyms:
  validate, formalize, formalise