The Collaborative International Dictionary of English v.0.48:
Ireful \Ire"ful\, a. Full of ire; angry; wroth. "The ireful bastard Orleans." --Shak. -- Ire"ful*ly, adv. [1913 Webster]WordNet (r) 3.0 (2006):
ireful adj 1: feeling or showing extreme anger; "irate protesters"; "ireful words" [syn: irate, ireful]