A warrior going round is flipping rough (8)
I believe the answer is:
abrasive
'rough' is the definition.
('abrasive' can be similar in meaning to 'rough')
'a warrior going round is flipping' is the wordplay.
'warrior' becomes 'brave' (brave is a kind of warrior).
'going round' is an insertion indicator.
'flipping' says the letters should be written in reverse.
'is' back-to-front is 'si'.
'brave' going around 'si' is 'brasive'.
'a'+'brasive'='ABRASIVE'
(Other definitions for abrasive that I've seen before include "Emery paper or steel wool, say" , "Rough and scratchy" , "Harsh in manner, capable of causing anger" , "Wearing" , "One that wears" .)