Really annoy, with "on" (5)
I believe the answer is:
grate
(Other definitions for grate that I've seen before include "Rasp; fire holder" , "Firebasket" , "Grind (cheese)" , "Barred framework" , "Fireplace recess; rasp" .)
I believe the answer is:
grate
(Other definitions for grate that I've seen before include "Rasp; fire holder" , "Firebasket" , "Grind (cheese)" , "Barred framework" , "Fireplace recess; rasp" .)