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Pronunciation:  `insu'fishunsee

WordNet Dictionary
  1. [n]  lack of an adequate quantity or number; "the inadequacy of unemployment benefits"
  2. [n]  (pathology) inability of a bodily part or organ to function normally
  3. [n]  a lack of competence; "pointed out the insufficiencies in my report"; "juvenile offenses often reflect an inadequacy in the parents"

INSUFFICIENCY is a 13 letter word that starts with I.


 Synonyms: deficiency, inadequacy, inadequacy
 Antonyms: adequacy, sufficiency
 See Also: amount, cardiac insufficiency, coronary insufficiency, deficit, exiguity, failing, inability, meagerness, meagreness, poorness, renal insufficiency, scantiness, scantness, scarceness, scarcity, shortage, shortfall, unfitness, weakness



Webster's 1913 Dictionary
\In`suf*fi"cien*cy\, n. [L. insufficientia: cf. F.
insuffisance, whence OE. insuffisance. See {Insufficient}.]
1. The quality or state of being insufficient; want of
   sufficiency; deficiency; inadequateness; as, the
   insufficiency of provisions, of an excuse, etc.

         The insufficiency of the light of nature is, by the
         light of Scripture, . . . fully supplied. --Hooker.

2. Want of power or skill; inability; incapacity;
   incompetency; as, the insufficiency of a man for an

Thesaurus Terms
 Related Terms: arrear, arrearage, arrears, asymmetry, baseness, contrariety, daintiness, decline, defalcation, default, defectiveness, deficiency, deficit, delicacy, delinquency, difference, diminutiveness, disability, disablement, disequilibrium, disparity, disproportion, disqualification, dissatisfactoriness, exiguity, exiguousness, failure, falling short, fewness, heterogeneity, imbalance, imbecility, imperfection, inability, inadequacy, inadmissibility, incapability, incapacitation, incapacity, incompetence, incompetency, inconsequentiality, inconsiderableness, indefensibility, inefficiency, ineptitude, inequality, inequity, infancy, inferiority, injustice, insignificance, intolerability, irregularity, legal incapacity, littleness, maladroitness, meagerness, meanness, mediocrity, minority, minuteness, moderateness, nonuniformity, objectionability, odds, overbalance, pettiness, picayunishness, puniness, scantiness, shabbiness, short measure, shortage, shortcoming, shortfall, slightness, slump, smallness, subnormality, tininess, triviality, unacceptability, unbalance, underage, undesirability, unevenness, unfair discrimination, unfitness, unimportance, unsatisfactoriness, unskillfulness, unsuitability, untenability, vulgarity, wardship