stun stun /ˈstʌn/

verb

1. () Make senseless or dizzy by or as if by a blow  ( stupefy , stun )
   make senseless or dizzy by or as if by a blow
    Stun fish
   stun fish
   
2. () Hit something or somebody as if with a sandbag  ( sandbag , stun )
   hit something or somebody as if with a sandbag
   
3. Overcome as with astonishment or disbelief  ( bedaze , daze , stun )
   overcome as with astonishment or disbelief
    The news stunned her
   The news stunned her