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English definition of “stun”

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stun

verb [T] uk   /stʌn/ (-nn-) us  

stun verb [T] (SHOCK)

to shock or surprise someone very much: News of the disaster stunned people throughout the world. She was stunned by the amount of support she received from well-wishers.

stun verb [T] (MAKE UNCONSCIOUS)

to make a person or animal unconscious, or to cause them to lose the usual control of their mind, especially by hitting their head hard: Stunned by the impact, he lay on the ground wondering what had happened. This injection stuns the rhinoceros, so we can examine it.
(Definition of stun from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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