shortcoming

shortcoming
    n 1: a failing or deficiency; "that interpretation is an
         unfortunate defect of our lack of information" [syn:
         {defect}, {shortcoming}]
    

Shortcoming \Short"com`ing\, n.
   The act of falling, or coming short; as:
   (a) The failure of a crop, or the like.
   (b) Neglect of, or failure in, performance of duty.
       [1913 Webster]
    

88 Moby Thesaurus words for "shortcoming":
      absence, adulteration, asymmetry, beggary, blemish, bug, catch,
      contrariety, crack, defect, defectibility, defection,
      defectiveness, deficiency, deficit, demerit, deprivation,
      destitution, difference, disequilibrium, disparity, disproportion,
      drawback, drought, erroneousness, failing, failure, fallibility,
      famine, fault, faultiness, faute, flaw, foible, frailty,
      heterogeneity, hole, imbalance, immaturity, impairment,
      imperfection, impoverishment, impurity, inaccuracy, inadequacy,
      inadequateness, incompleteness, inequality, inequity, inexactitude,
      inexactness, infirmity, injustice, insufficiency, irregularity,
      kink, lack, liability, little problem, mediocrity, need,
      nonuniformity, odds, omission, overbalance, patchiness, problem,
      rift, shortage, shortfall, sin, sketchiness, snag,
      something missing, starvation, taint, unbalance, undevelopment,
      unevenness, unfair discrimination, unperfectedness, unsoundness,
      vulnerable place, want, wantage, weak link, weak point, weakness