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