Stun is to stop or confuse with a sharp blow or a loud noise, or to shock someone.
(verb)See stun in Webster's New World College Dictionary
transitive verb stunned, stunning
Origin: ME stonien < OFr estoner, to stun: see astonish
noun
See stun in American Heritage Dictionary 4
transitive verb stunned stunned, stun·ning, stuns
Origin:
Origin: Middle English stonen
Origin: , Old French estoner
Origin: , from Vulgar Latin *extonāre
Origin: : Latin ex-, ex-
Origin: + Latin tonāre, to thunder; see (s)tenə- in Indo-European roots
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