Churlish (5)
'churlish' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for gruff that I've seen before include "Abrupt in sound or manner" , "Abrupt in manner - rough and low in pitch" , "Rough-sounding" , "Hoarse" , "Surly -- rough-spoken" .)
'churlish' is the definition.
(synonyms)
This is all the clue.
(Other definitions for surly that I've seen before include "Ill-natured" , "Grumpily bad-tempered" , "Ill-tempered, unfriendly" , "Morose" , "Gruff and grumpy" .)