The Collaborative International Dictionary of English v.0.48:

Wrathful \Wrath"ful\, a.
   1. Full of wrath; very angry; greatly incensed; ireful;
      passionate; as, a wrathful man.
      [1913 Webster]

   2. Springing from, or expressing, wrath; as, a wrathful
      countenance. "Wrathful passions." --Sprat.
      [1913 Webster]

   Syn: Furious; raging; indignant; resentful.
        [1913 Webster] -- Wrath"ful*ly, adv. --
        Wrath"ful*ness, n.
        [1913 Webster]