stun /stʌn/ BrE AmE verb ( past tense and past participle stunned , present participle stunning ) [transitive not in progressive]
[ Date: 1300-1400 ; Language: Old French ; Origin: estoner ; ⇨ ↑ astonish ]
1 . to surprise or upset someone so much that they do not react immediately ⇨ stagger :
Redfern stunned the crowd with a last-minute goal.
2 . to make someone unconscious for a short time:
The impact of the ball had stunned her.
⇨ ↑ stunned , ↑ stunning