Angry tirade (4)
I believe the answer is:
rant
'angry tirade' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for rant that I've seen before include "Speak intemperately" , "Shout wildly at length" , "Show anger" , "Wild speech" , "Talk wildly and incoherently" .)