Loud and disturbing noise (6)
I believe the answer is:
racket
'loud and disturbing noise' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for racket that I've seen before include "Lot of noise or bat for game (6)" , "noise pollution" , "Loud unpleasant noise" , "Unpleasant noise, bat" , "See 1" .)