[1] : The Collaborative International Dictionary of English v.0.48

imperfection \im`perfec"tion\, n. l. imperfectio: cf. f.
   imperfection. see imperfect, a.
   the quality or condition of being imperfect; lack of
   perfection; incompleteness; deficiency; fault or blemish.
   1913 webster

         sent to my account
         with all my imperfections on my head.    --shak.

   syn: defect; deficiency; incompleteness; fault; failing;
        weakness; frailty; foible; blemish; vice.
        1913 webster
see also:
imperfect 

[2] : WordNet (r) 2.0

imperfection
     n : the state or an instance of being imperfect syn: imperfectness
         ant: perfection
see also:
imperfectness perfection 

[3] : Moby Thesaurus II by Grady Ward, 1.0

86 moby thesaurus words for "imperfection":
   absence, arrear, arrearage, arrears, bad habit, baseness, beggary,
   besetting sin, blemish, bug, catch, crack, damage, decline,
   defalcation, default, defect, defection, defectiveness, deficiency,
   deficit, delinquency, demerit, deprivation, destitution, drawback,
   drought, error, failing, failure, fallibility, falling short,
   famine, fault, faute, fewness, flaw, foible, frailty, hole,
   impoverishment, inadequacy, incompetence, incompleteness,
   inferiority, infirmity, insufficiency, kink, lack, little problem,
   littleness, maladroitness, meanness, mediocrity, moral flaw, need,
   omission, peccadillo, pettiness, problem, rift, shabbiness,
   short measure, shortage, shortcoming, shortfall, sin, slump,
   smallness, snag, something missing, starvation, subnormality,
   taint, triviality, underage, unskillfulness, vice, vulgarity,
   vulnerable place, want, wantage, weak link, weak point, weak side,
   weakness

Imperfection >> I Words
Imperfection, definition of term: Imperfection
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