Badger in range occasionally (3)
I believe the answer is:
nag
'badger' is the definition.
(both can mean to annoy or complain at)
'in range occasionally' is the wordplay.
'occasionally' indicates alternate letters.
'in'+'range'='inrange'
The alternate letters of 'inrange' are 'NAG'.
(Other definitions for nag that I've seen before include "Remind constantly" , "Worry; old horse" , "shrew or > badger" , "Bother persistently" , "Worn out horse" .)