Focus on the pronunciation of quash
English definition of “quash”
/kwɒʃ/ verb [T]
› LAW to state officially that something, especially an earlier official decision, is no longer to be accepted: quash a conviction/decision/order His conviction was quashed in March after a lengthy legal battle.
› to forcefully stop something that you do not want to happen: The company moved quickly to quash rumours of trading losses. The engineering group yesterday quashed speculation that it was a takeover target.