definition of
quash

[1] #1 quash v. [repress, keep down, subdue, subjugate, reduce] put down by force or intimidation; "The government quashes any attempt of an uprising"; "China keeps down her dissidents very efficiently"; "The rich landowners subjugated the peasants working the land". wn

[2] #2 quash v. [invalidate, annul, void, avoid, nullify] declare invalid; "The contract was annulled"; "void a plea". wn