strike down

Verb	1.	strike down - declare null and void; make ineffective; "Cancel the election results"; "strike down a law" Synonyms: cancel
	2.	strike down - cause to die, especially suddenly; "The disease struck down many young men in the village"
	3.	strike down - cause to fall by or as if by delivering a blow; "strike down a tree"; "Lightning struck down the hikers" Synonyms: fell, cut down, drop

adjudge, annul, avoid, cancel, countermand, declare, hold, invalidate, lift, nullify, overturn, quash, recall, remit, repeal, rescind, reverse, revoke, vacate, void, write off