Boils with anger (7)
I believe the answer is:
seethes
(Other definitions for seethes that I've seen before include "is boiling" , "'Boils, with anger perhaps (7)'" , "gets agitated" , "is angry" , "furious" .)
I believe the answer is:
seethes
(Other definitions for seethes that I've seen before include "is boiling" , "'Boils, with anger perhaps (7)'" , "gets agitated" , "is angry" , "furious" .)