absence, adulteration, arrear, arrearage, arrears, beggary, break, curtailment, dearth, decline, defalcation, default, defect, defectibility, defectiveness, deficiency, deficit, delinquency, deprivation, destitution, discontinuity, drought, erroneousness, failure, fallibility, falling short, famine, faultiness, gap, hiatus, immaturity, impairment, imperfection, impoverishment, impurity, inaccuracy, inadequacy, inadequateness, incompleteness, inexactitude, inexactness, inferiority, insufficiency, interval, lack, lacuna, mediocrity, missing link, need, omission, outage, patchiness, paucity, pinch, scantiness, scarcity, short measure, shortcoming, shortfall, sketchiness, slump, starvation, tightness, ullage, underage, undevelopment, unevenness, unperfectedness, unsoundness, want, wantage