Not just irks (7)
I believe the answer is:
enrages
(Other definitions for enrages that I've seen before include "Makes furious" , "As green changes it makes one angry" , "Works up" , "Makes violently angry" , "Makes red" .)
I believe the answer is:
enrages
(Other definitions for enrages that I've seen before include "Makes furious" , "As green changes it makes one angry" , "Works up" , "Makes violently angry" , "Makes red" .)