Webster's Revised Unabridged Dictionary · 1913

Mad

Mad , past participle

past participle of Made. [obsolete] — Chaucer

Mad , adjective

[Anglo-Saxon gem{not transcribed}d, gemād, mad; akin to Old Saxon gem{not transcribed}d foolish, Old High German gameit, Icelandic mei{not transcribed}a to hurt, Gothic gamáids weak, broken. {not transcribed}.]

1.
Disordered in intellect; crazy; insane.
I have heard my grandsire say full oft, Extremity of griefs would make men mad. — Shakespeare
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. — Jer. 1. 88
And being exceedingly mad against them, I persecuted them even unto strange cities. — Acts xxvi. 11
3.
Proceeding from, or indicating, madness; expressing distraction; prompted by infatuation, fury, or extreme rashness.
Mad demeanor. — Milton
Mad wars destroy in one year the works of many years of peace. — Franklin
The mad promise of Cleon was fulfilled. — Jowett (Thucyd.)
4.
Extravagant; immoderate.
Be mad and merry. — Shakespeare
Fetching mad bounds. — Shakespeare
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. [Colloquial]
7.
Having impaired polarity; -- applied to a compass needle. [Colloquial]
Collocations (3)
Like mad , like a mad person; in a furious manner; as, to run like mad. L'Estrange.
To run mad , (a) To become wild with excitement (b) To run wildly about under the influence of hydrophobia; to become affected with hydrophobia.
To run mad after , to pursue under the influence of infatuation or immoderate desire. The world is running mad after farce. — Dryden

Mad , transitive verb

To make mad or furious; to madden.
Had I but seen thy picture in this plight, It would have madded me. — Shakespeare

Mad , intransitive verb

To be mad; to go mad; to rave. See Madding. [Archaic] — Chaucer
Festus said with great voice, Paul thou maddest. — Wyclif (Acts)

Mad , noun

[Anglo-Saxon ma{not transcribed}a; akin to Dutch & German made, Gothic mapa, and prob. to English moth.]

(Zoology) An earthworm.