To suppress or extinguish something, especially by legal means.

समाप्त करना

English Usage: The judge decided to quash the appeal due to lack of evidence.

Hindi Usage: न्यायाधीश ने सबूतों के अभाव के कारण अपील को समाप्त करने का निर्णय लिया।

An act of suppressing or putting down.

दबाना

English Usage: The court's decision was a quash of the previous ruling.

Hindi Usage: अदालत का निर्णय पिछले फैसले को दबाना था।