stun

US /stʌn/
UK /stʌn/
"stun" picture
1.

to make someone unconscious or confused, especially by a blow to the head

:
The boxer delivered a powerful punch that stunned his opponent.
The fall from the horse briefly stunned her.
2.

to astonish or shock (someone) so that they are temporarily unable to react

:
The news of her sudden resignation stunned everyone in the office.
He was stunned by the beauty of the landscape.
1.

a state of being unconscious or confused

:
He was in a stun after hitting his head.
The sudden bright light put him in a temporary stun.