1. to reject or void officially, especially a legal decision
Usage: legal
2. to suppress or put an end to forcibly

Examples

• The appeals court quashed the lower court’s ruling.
• The judge quashed the subpoena due to procedural errors.
• The government quickly quashed the rebellion.
• Her hopes were quashed when she received the rejection letter.
• The company quashed rumors about layoffs.
• The conviction was quashed after new evidence emerged.
• Police quashed the riot before it could spread.