- 1quash something (law) to officially say that a decision made by a court is no longer valid or correct synonym overturn His conviction was later quashed by the Court of Appeal.
- 2quash something to take action to stop something from continuing synonym suppress The rumours were quickly quashed. The government moved quickly to quash the revolt. Word Origin Middle English: from Old French quasser
BrE BrE//kwɒʃ//; NAmE NAmE//kwɔːʃ//, NAmE//kwɑːʃ//Verb Forms present simple I / you / we / they quash
BrE BrE//kwɒʃ//; NAmE NAmE//kwɔːʃ//, NAmE//kwɑːʃ//he / she / it quashes
BrE BrE//ˈkwɒʃɪz//; NAmE NAmE//ˈkwɔːʃɪz//, NAmE//ˈkwɑːʃɪz//past simple quashed
BrE BrE//kwɒʃt//; NAmE NAmE//kwɔːʃt//, NAmE//kwɑːʃt//past participle quashed
BrE BrE//kwɒʃt//; NAmE NAmE//kwɔːʃt//, NAmE//kwɑːʃt//-ing form quashing
BrE BrE//ˈkwɒʃɪŋ//; NAmE NAmE//ˈkwɔːʃɪŋ//, NAmE//ˈkwɑːʃɪŋ//