- 1quash something (law) to officially say that a decision made by a court is no longer valid or correct synonym overturn His conviction was later quashed by the State Supreme Court.
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- 2quash something to take action to stop something from continuing synonym suppress The rumors were quickly quashed.
quash
verbNAmE//kwɑʃ//
Verb Forms present simple I / you / we / they quash ,
he / she / it quashes ,
past simple quashed ,
-ing form quashing ,
Check pronunciation: quash