The Collaborative International Dictionary of English v.0.48:

Intemperate \In*tem`per*ate\, v. t.
   To disorder. [Obs.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Intemperate \In*tem`per*ate\, a. [L. intemperatus. See In-
   not, and Temperate.]
   1. Indulging any appetite or passion to excess; immoderate in
      enjoyment or exertion.
      [1913 Webster]

   2. Specifically, addicted to an excessive or habitual use of
      alcoholic liquors.
      [1913 Webster]

   3. Excessive; ungovernable; inordinate; violent; immoderate;
      as, intemperate language, zeal, etc.; intemperate weather.
      [1913 Webster]

            Most do taste through fond intemperate thirst.
                                                  --Milton.
      [1913 Webster]

            Use not thy mouth to intemperate swearing. --Ecclus.
                                                  xxiii. 13.
      [1913 Webster]

WordNet (r) 3.0 (2006):

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; "a hard drinker" [syn:
       intemperate, hard, heavy]

Moby Thesaurus II by Grady Ward, 1.0:

152 Moby Thesaurus words for "intemperate":
   Apician, a bit much, abandoned, acute, all-devouring, bibacious,
   bibulous, bitter, bolting, boundless, brutal, cramming, crapulent,
   crapulous, cutting, dissipative, drastic, drunken, easy come,
   easy go, edacious, egregious, enormous, exaggerated, excessive,
   exorbitant, extravagant, extreme, fabulous, fancy, fierce, furious,
   gigantic, glutting, gluttonizing, gluttonous, go-go, gobbling,
   gorging, great, greedy, gulping, guttling, guzzling, hard, harsh,
   high, hoggish, hyperbolic, hyperphagic, hypertrophied, immoderate,
   inclement, incontinent, indulgent, inordinate, insatiable, intense,
   irrepressible, keen, lavish, lax, licentious, loose, monstrous,
   nonrestrictive, omnivorous, orgiastic, out of bounds,
   out of control, out of hand, out of sight, outrageous, overbig,
   overdeveloped, overgenerous, overgreat, overgrown, overindulgent,
   overindulging, overlarge, overlavish, overliberal, overmuch,
   overweening, penny-wise and pound-foolish, permissive, piercing,
   piggish, polyphagic, pound-foolish, prodigal, profligate, profuse,
   rampant, rapacious, ravenous, reinless, rigorous, riotous, rough,
   rugged, self-indulgent, severe, sharp, spendthrift, splitting,
   steep, stiff, stuffing, swinish, too much, tough, unbridled,
   unchecked, uncoerced, uncompelled, unconscionable, unconstrained,
   uncontinent, uncontrolled, uncurbed, undisciplined, undue,
   unforced, unfrugal, ungoverned, uninhibited, unlimited, unmastered,
   unmeasured, unmuzzled, unreasonable, unreined, unrepressed,
   unreserved, unrestrained, unrestrictive, unruly, unsubdued,
   unsuppressed, untempered, unthrifty, vehement, venomous, violent,
   virulent, voracious, wanton, wasteful, wild, wolfing