impetuous

impetuous
    adj 1: characterized by undue haste and lack of thought or
           deliberation; "a hotheaded decision"; "liable to such
           impulsive acts as hugging strangers"; "an impetuous
           display of spending and gambling"; "madcap escapades";
           (`brainish' is archaic) [syn: {hotheaded}, {impulsive},
           {impetuous}, {madcap}, {tearaway(a)}, {brainish}]
    2: marked by violent force; "impetuous heaving waves"
    

Impetuous \Im*pet"u*ous\, a. [F. impetueux, L. impetuosus. See
   {Impetus}.]
   1. Rushing with force and violence; moving with impetus;
      furious; forcible; violent; as, an impetuous wind; an
      impetuous torrent.
      [1913 Webster]

            Went pouring forward with impetuous speed. --Byron.
      [1913 Webster]

   2. Vehement in feeling; hasty; passionate; violent; as, a man
      of impetuous temper.
      [1913 Webster]

            The people, on their holidays,
            Impetuous, insolent, unquenchable.    --Milton.

   Syn: Forcible; rapid; hasty; precipitate; furious;
        boisterous; violent; raging; fierce; passionate. --
        {Im*pet"u*ous*ly}, adv. -- {Im*pet"u*ous*ness}, n.
        [1913 Webster]
    

225 Moby Thesaurus words for "impetuous":
      abrupt, accident-prone, active, acute, adrift, afloat, aggressive,
      alternating, amorphous, animated, antsy, antsy-pantsy, anxious,
      ardent, breakneck, breathless, brisk, brittle, capricious,
      careless, chafing, changeable, changeful, corruptible, deciduous,
      desperate, desultory, deviable, devil-may-care, dizzy, dying,
      dynamic, eager, eccentric, edgy, electrifying, energetic,
      enterprising, enthusiastic, ephemeral, erratic, evanescent,
      excited, fading, fast and loose, fervid, fickle, fierce, fiery,
      fitful, fleeting, flickering, flighty, flitting, fluctuating,
      fly-by-night, flying, forceful, forcible, fragile, frail, freakish,
      fretful, fretting, fugacious, fugitive, full of pep, furious,
      giddy, go-go, harum-scarum, hasty, headlong, hearty, hopped-up,
      hotheaded, hurried, impassioned, impatient, impermanent, impulsive,
      in a lather, in a stew, in a sweat, incisive, inconsistent,
      inconstant, indecisive, infirm, insubstantial, intense, irregular,
      irresolute, irresponsible, keen, kinetic, lively, living, lusty,
      mad, mazy, mercurial, mettlesome, momentary, moody, mortal,
      mutable, nerve-shattering, nondurable, nonpermanent, offhand,
      on edge, overeager, overenthusiastic, overhasty, overzealous,
      panting, passing, passionate, peppy, perishable, precipitant,
      precipitate, precipitous, quick, rambling, rash, reckless, restive,
      restless, robust, roving, rushing, scatterbrained, shapeless,
      shifting, shifty, shocking, short-lived, shuffling, simmering,
      slap-bang, slapdash, smacking, snappy, spanking, spasmodic, speedy,
      spineless, spirited, spontaneous, spur-of-the-moment, squirming,
      squirmy, startling, stormy, strenuous, strong, sudden, surprising,
      swift, take-charge, take-over, tempestuous, temporal, temporary,
      tornadic, transient, transitive, transitory, trenchant,
      unaccountable, unanticipated, uncertain, uncontrolled,
      undependable, undisciplined, undurable, uneasy, unenduring,
      unexpected, unfixed, unforeseen, unlooked-for, unpatient,
      unplanned, unpredictable, unpredicted, unpremeditated, unquiet,
      unreflective, unreliable, unrestrained, unsettled, unstable,
      unstable as water, unstaid, unsteadfast, unsteady, unthinking,
      vacillating, vagrant, variable, vehement, vibrant, vicissitudinary,
      vicissitudinous, vigorous, violent, vivacious, vivid, volatile,
      volcanic, wandering, wanton, wavering, wavery, wavy, wayward,
      whimsical, wild, wishy-washy, zestful, zesty, zippy