(quashes, quashing, quashed)
1.
If a court or someone in authority quashes a decision or judgment, they officially reject it.
The Appeal Court has quashed the convictions of all eleven people.
VERB: V n
2.
If someone quashes rumours, they say or do something to demonstrate that the rumours are not true.
Graham attempted to quash rumours of growing discontent.
VERB: V n
3.
To quash a rebellion or protest means to stop it, often in a violent way.
Troops were displaying an obvious reluctance to get involved in quashing demonstrations.
VERB: V n