simple past tense and past participle of stun
"The sudden news left everyone stunned, unable to say a word for several minutes."
filled with the emotional impact of overwhelming surprise or shock
"an amazed audience gave the magician a standing ovation"
"I stood enthralled, astonished by the vastness and majesty of the cathedral"
"astounded viewers wept at the pictures from the Oklahoma City bombing"
"stood in stunned silence"
"stunned scientists found not one but at least three viruses"
knocked unconscious by a heavy blow
"The boxer was stunned after taking a vicious uppercut to the jaw and fell straight out of the ring."
Unable to act or respond; dazed; shocked.
"When she heard the news that her team had won by a single point, she was completely stunned and couldn't move for several minutes."