I scold when angry (5)
I believe the answer is:
irate
'angry' is the definition.
(irate can mean angry or annoyed)
'i scold' is the wordplay.
'scold' becomes 'rate' (I've seen this in another clue).
'i'+'rate'='IRATE'
'when' acts as a link.
(Other definitions for irate that I've seen before include "Angry and incensed" , "ranting" , "Aggrieved" , "raging" , "having got in wax" .)