Cause hearing loss (6)
I believe the answer is:
deafen
(Other definitions for deafen that I've seen before include "Need FA (anag.)" , "Drown out" , "Be unbearably loud" , "Render unable to hear" , "Cause loss of hearing to (someone)" .)
I believe the answer is:
deafen
(Other definitions for deafen that I've seen before include "Need FA (anag.)" , "Drown out" , "Be unbearably loud" , "Render unable to hear" , "Cause loss of hearing to (someone)" .)