adulteration, arrear, arrearage, arrears, arrestment, asymmetry, baseness, blemish, bug, callowness, catch, contrariety, crack, decline, defalcation, default, defect, defectibility, defection, defectiveness, deficiency, deficit, delinquency, difference, disability, disablement, disequilibrium, disparity, disproportion, disqualification, dissatisfactoriness, drawback, erroneousness, failing, failure, fallibility, falling short, fault, faultiness, faute, fewness, flaw, foible, frailty, heterogeneity, hole, imbalance, imbecility, immaturity, impairment, imperfection, impurity, inability, inaccuracy, inadeptness, inadequateness, inadmissibility, inaptitude, inaptness, inattentiveness, incapability, incapacitation, incapacity, incompetence, incompetency, incompleteness, incompletion, indefensibility, indexterity, ineffectiveness, ineffectuality, ineffectualness, inefficacy, inefficiency, ineptitude, ineptness, inequality, inequity, inexactitude, inexactness, infancy, inferiority, infirmity, injustice, insufficiency, insufficientness, intolerability, irregularity, kink, lack, legal incapacity, little problem, littleness, maladjustment, maladroitness, meanness, mediocrity, minority, none to spare, nonfulfillment, nonsatisfaction, nonuniformity, objectionability, odds, overbalance, patchiness, pedestrianism, pettiness, problem, rift, rustiness, scantiness, scrappiness, shabbiness, short measure, short supply, short weight, shortage, shortcoming, shortfall, sketchiness, skill-lessness, slump, smallness, snag, something missing, subnormality, taint, thoughtlessness, too late, too little, triviality, unacceptability, unaptness, unbalance, uncleverness, undeftness, underage, underdevelopment, undesirability, undevelopment, undexterousness, undextrousness, unevenness, unfair discrimination, unfitness, unfittedness, unintelligence, unperfectedness, unproficiency, unqualification, unsatisfactoriness, unschooledness, unskillfulness, unsoundness, unsuitability, untenability, untrainedness, vulgarity, vulnerable place, want, wardship, weak link, weak point, weakness