strike down

verbs

declare null and void; make ineffective
"Cancel the election results"; "strike down a law"
cancel, strike down
cause to die, especially suddenly
"The disease struck down many young men in the village"
strike down
is a type of (narrower)
deprive of life
"AIDS has killed thousands in Africa"
kill
cause to fall by or as if by delivering a blow
"strike down a tree"; "Lightning struck down the hikers"
cut down, drop, fell, strike down