Crossword Genius

Stun with loud noise (6)

Ross

I believe the answer is:

deafen

(Other definitions for deafen that I've seen before include "Cause to lose the power of hearing" , "Kill hearing" , "Blowing a trumpet in someone's ear would do!" , "Render hard of hearing" , "Render unable to hear" .)

I've seen this clue in The Times.
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