Source : Webster's Revised Unabridged Dictionary (1913)

Madden \Mad"den\, v. t. [imp. & p. p. {Maddened}; p. pr. & vb.
   n. {Maddening}.]
   To make mad; to drive to madness; to craze; to excite
   violently with passion; to make very angry; to enrage.

Source : WordNet®

maddening
     adj : extremely annoying or displeasing; "his cavelier curtness of
           manner was exasperating"; "I've had an exasperating
           day"; "her infuriating indifference"; "the ceaseless
           tumult of the jukebox was maddening" [syn: {exasperating},
            {infuriating}, {vexing}]