Causing frustration or anger. / Leading to insanity.

present participle of madden

(transitive) To make angry. / (transitive) To make insane; to inflame with passion. / (intransitive, obsolete) To become furious.

simple past tense and past participle of madden

Third-person singular simple present indicative form of madden

A surname from Irish.

plural of Madden

(meteorology) The largest element of the intraseasonal variability in the tropical atmosphere: a large-scale coupling between atmospheric circulation and tropical deep convection, manifesting itself most clearly as anomalous rainfall.

In a maddening manner.

The quality, state, or condition of being maddening.