1.Disordered in intellect; crazy; insane. "I have heard my grandsire say full oft, Extremity of griefs would make men mad."
2.Excited beyond self-control or the restraint of reason; inflamed by violent or uncontrollable desire, passion, or appetite; as, to be mad with terror, lust, or hatred; mad against political reform. "It is the land of graven images, and they are mad upon their idols." "And being exceedingly mad against them, I persecuted them even unto strange cities."
3.Proceeding from, or indicating, madness; expressing distraction; prompted by infatuation, fury, or extreme rashness. "Mad demeanor." "Mad wars destroy in one year the works of many years of peace." "The mad promise of Cleon was fulfilled."
4.Extravagant; immoderate. "Be mad and merry." "Fetching mad bounds."
5.Furious with rage, terror, or disease; said of the lower animals; as, a mad bull; esp., having hydrophobia; rabid; as, a mad dog.
6.Angry; out of patience; vexed; as, to get mad at a person. (Colloq.)
7.Having impaired polarity; applied to a compass needle. (Colloq.)
To run mad. (a)To become wild with excitement.
(b)To run wildly about under the influence of hydrophobia; to become affected with hydrophobia.
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