strike down

Verb

• cause to fall by or as if by delivering a blow
  • strike down a tree
    
  • Lightning struck down the hikers
    

• cause to die, especially suddenly
  • The disease struck down many young men in the village
    

• declare null and void; make ineffective
  • Cancel the election results
    
  • strike down a law
    

Related words

• Synonyms: 
  fell , drop , cut down , cancel