quash

Từ điển Oxford Advanced Learner 8th

quash [quash quashes quashed quashing] BrE [kwɒʃ] NAmE [kwɔːʃ] NAmE [kwɑːʃ] verb
1. ~ sth (BrE, law)to officially say that a decision made by a court is no longer valid or correct
Syn: ↑overturn
•His conviction was later quashed by the Court of Appeal.
2. ~ sth to take action to stop sth from continuing
Syn: ↑suppress
•The rumours were quickly quashed.
Verb forms:

Word Origin:
Middle English: from Old French quasser ‘annul’, from late Latin cassare (medieval Latin also quassare), from cassus ‘null, void’. Compare with ↑squash (verb).

Example Bank:
•The government moved quickly to quash the revolt.

• Từ đồng nghĩa / Synonyms:
  invalidate, annul, void, avoid, nullify, repress, keep down, subdue, subjugate, reduce
• Từ trái nghĩa / Antonyms:
  validate, formalize, formalise