Source : Webster's Revised Unabridged Dictionary (1913)

Intemperate \In*tem`per*ate\, v. t.
   To disorder. [Obs.]

Intemperate \In*tem`per*ate\, a. [L. intemperatus. See {In-}
   not, and {Temperate}.]
   1. Indulging any appetite or passion to excess; immoderate to
      enjoyments or exertion.

   2. Specifically, addicted to an excessive or habitual use of
      alcoholic liquors.

   3. Excessive; ungovernable; inordinate; violent; immoderate;
      as, intemperate language, zeal, etc.; intemperate weather.

            Most do taste through fond intemperate thirst.
                                                  --Milton.

            Use not thy mouth to intemperate swearing. --Ecclus.
                                                  xxiii. 13.

Source : WordNet®

intemperate
     adj 1: (of weather or climate) not mild; subject to extremes; "an
            intemperate climate"; "intemperate zones" [ant: {temperate}]
     2: excessive in behavior; "intemperate rage" [ant: {temperate}]
     3: given to excessive indulgence of bodily appetites especially
        for intoxicating liquors