From The Collaborative International Dictionary of English v.0.48 :
Angriness \An"gri*ness\, n. The quality of being angry, or of being inclined to anger. [1913 Webster] Such an angriness of humor that we take fire at everything. --Whole Duty of Man. [1913 Webster]From WordNet (r) 3.0 (2006) :
angriness n 1: the state of being angry [syn: anger, angriness]