impulsiveness

impulsiveness
    n 1: the trait of acting suddenly on impulse without reflection
    

Impulsiveness \Im*pul"sive*ness\, n.
   The quality of being impulsive.
   [1913 Webster]
    

65 Moby Thesaurus words for "impulsiveness":
      abruptness, alacrity, capriciousness, desultoriness, deviability,
      eccentricity, erraticism, expeditiousness, feverishness,
      fickleness, flightiness, forwardness, freakishness, furiousness,
      haste, hastiness, hurriedness, impatience, impetuosity,
      impetuousness, impulse, inconsistency, inconstancy, instability,
      irregularity, mercuriality, moodiness, overhastiness, precipitance,
      precipitancy, precipitateness, precipitation, precipitousness,
      precociousness, precocity, prematureness, prematurity, promptness,
      quickness, rashness, recklessness, restlessness, rush, shiftiness,
      speed, suddenness, swiftness, uncertainty, undependability,
      unfixedness, uninhibitedness, unpredictability, unreliability,
      unrestraint, unsettledness, unstableness, unsteadfastness,
      unsteadiness, untimeliness, variability, variation, variety,
      wantonness, waywardness, whimsicality