Source : Webster's Revised Unabridged Dictionary (1913)

Mad \Mad\, a. [Compar. {Madder}; superl. {Maddest}.] [AS. gem?d,
   gem[=a]d, mad; akin to OS. gem?d foolish, OHG. gameit, Icel.
   mei?a to hurt, Goth. gam['a]ids weak, broken. ?.]
   1. Disordered in intellect; crazy; insane.

            I have heard my grandsire say full oft, Extremity of
            griefs would make men mad.            --Shak.

   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.'' --Shak.
      ``Fetching mad bounds.'' --Shak.

   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.]

   {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.


      (b) To decline in condition; as, to run down in health.

   {To run down a coast}, to sail along it.

   {To run for an office}, to stand as a candidate for an
      office.

   {To run in} or {into}.
      (a) To enter; to step in.
      (b) To come in collision with.

   {To run in trust}, to run in debt; to get credit. [Obs.]

   {To run in with}.
      (a) To close; to comply; to agree with. [R.] --T. Baker.
      (b) (Naut.) To make toward; to near; to sail close to; as,
          to run in with the land.

   {To run mad}, {To run mad after} or {on}. See under {Mad}.

   {To run on}.
      (a) To be continued; as, their accounts had run on for a
          year or two without a settlement.
      (b) To talk incessantly.
      (c) To continue a course.
      (d) To press with jokes or ridicule; to abuse with
          sarcasm; to bear hard on.
      (e) (Print.) To be continued in the same lines, without
          making a break or beginning a new paragraph.

   {To run out}.
      (a) To come to an end; to expire; as, the lease runs out
          at Michaelmas.
      (b) To extend; to spread. ``Insectile animals . . . run
          all out into legs.'' --Hammond.
      (c) To expatiate; as, to run out into beautiful
          digressions.
      (d) To be wasted or exhausted; to become poor; to become
          extinct; as, an estate managed without economy will
          soon run out.

                And had her stock been less, no doubt She must
                have long ago run out.            --Dryden.

   {To run over}.
      (a) To overflow; as, a cup runs over, or the liquor runs
          over.
      (b) To go over, examine, or rehearse cursorily.
      (c) To ride or drive over; as, to run over a child.

   {To run riot}, to go to excess.

   {To run through}.
      (a) To go through hastily; as to run through a book.
      (b) To spend wastefully; as, to run through an estate.

   {To run to seed}, to expend or exhaust vitality in producing
      seed, as a plant; figuratively and colloquially, to cease
      growing; to lose vital force, as the body or mind.

   {To run up}, to rise; to swell; to grow; to increase; as,
      accounts of goods credited run up very fast.

            But these, having been untrimmed for many years, had
            run up into great bushes, or rather dwarf trees.
                                                  --Sir W.
                                                  Scott.

   {To run with}.
      (a) To be drenched with, so that streams flow; as, the
          streets ran with blood.
      (b) To flow while charged with some foreign substance.
          ``Its rivers ran with gold.'' --J. H. Newman.