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English definition of “stun”

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stun

verb [T]  /stʌn/ (-nn-) us  

stun verb [T] (SHOCK)

to shock someone so much that the person does not know how to react: She was stunned by his generous offer.

stun verb [T] (MAKE UNCONSCIOUS)

to make a person or animal unconscious or confused, esp. by hitting the head hard: He was stunned by the sudden blow to his head.
(Definition of stun from the Cambridge Academic Content Dictionary © Cambridge University Press)
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