| Main Entry: | |
| Part of Speech: | noun |
| Definition: | shortage, defect, inability |
| Synonyms: | blemish, dearth, defalcation, defectiveness, deficiency, deficit, drawback, failing, faultiness, flaw, imperfection, inadequateness, inaptness, incapacity, incompetence, incompetency, incompleteness, ineffectiveness, ineffectualness, inefficacy, inefficiency, ineptitude, insufficiency, lack, meagerness, paucity, poverty, scantiness, shortcoming, skimpiness, underage, unfitness, unsuitableness, weakness |
| Antonyms: | ability, adequacy, enough, plenty, sufficiency |
| Main Entry: | dearth |
| Part of Speech: | noun |
| Definition: | insufficiency, scarcity |
| Synonyms: | absence, default, defect, deficiency, exiguousness, famine, inadequacy, infrequency, lack, meagerness, miss, need, paucity, poverty, privation, rareness, scantiness, scantness, shortage, slim pickings, sparsity, uncommonness, want |
| Antonyms: | abundance, excess, plentifulness, plenty, sufficiency |
| Main Entry: | default |
| Part of Speech: | noun |
| Definition: | failure; want |
| Synonyms: | absence, blemish, blunder, dearth, defect, deficiency, delinquency, dereliction, disregard, error, fault, imperfection, inadequacy, insufficiency, lack, lapse, miss, neglect, nonpayment, offense, omission, overlooking, oversight, privation, shortcoming, slight, transgression, vice, weakness, wrongdoing |
| Antonyms: | advantage, payment, perfection, satisfaction, success |
| Main Entry: | deficit |
| Part of Speech: | noun |
| Definition: | shortage of something needed, required |
| Synonyms: | arrears, dead horse, defalcation, default, deficiency, due bill, dues, in hock, in the hole, in the red, inadequacy, insufficience, insufficiency, lack, loss, paucity, red ink, scantiness, shortcoming, shortfall, underage |
| Antonyms: | enough, excess, plenty, superfluousness |
| Main Entry: | disadvantage(s) |
| Part of Speech: | noun |
| Definition: | difficulty, trouble |
| Synonyms: | adverse circumstance, bar, blocking, burden, defect, deficiency, deprivation, detriment, disability, discommodity, drawback, failing, fault, flaw, fly in the ointment, hamper, handicap, hardship, hindrance, impediment, imperfection, imposition, inadequacy, inconvenience, inutility, lack, liability, limitation, minus, nuisance, objection, obstacle, privation, problem, restraint, snag, stumbling block, weak point, weakness |
| Antonyms: | advantage, good fortune |
| Main Entry: | disproportion |
| Part of Speech: | noun |
| Definition: | imbalance |
| Synonyms: | asymmetry, difference, discrepancy, disparity, imparity, inadequacy, inequality, insufficiency, irregularity, lopsidedness, unevenness, unsuitableness |
| Antonyms: | balance, equality, evenness, parity, proportion |
| Main Entry: | failure |
| Part of Speech: | noun |
| Definition: | lack of success |
| Synonyms: | abortion, bankruptcy, bomb, botch, breakdown, bungle, bust, checkmate, collapse, decay, decline, defeat, deficiency, deficit, deterioration, downfall, failing, false step, faux pas, fiasco, flash in the pan, flop, frustration, implosion, inadequacy, lead balloon, lemon, loser, loss, mess, misadventure, miscarriage, misstep, nonperformance, nonsuccess, overthrow, rout, rupture, sinking ship, stalemate, stoppage, total loss, turkey, washout, wreck |
| Antonyms: | accomplishment, achievement, attainment, earnings, gain, merit, success, win |
| Main Entry: | feebleness |
| Part of Speech: | noun |
| Definition: | lack of strength; ineffectiveness |
| Synonyms: | debility, decrepitude, delicacy, disease, effeteness, enervation, etiolation, exhaustion, flimsiness, frailness, frailty, inability, inadequacy, incapacity, incompetence, ineffectualness, infirmity, infirmness, insignificance, insufficiency, lameness, languor, lassitude, malaise, senility, sickliness, unhealthiness, weakness |
| Antonyms: | ability, effectiveness, health, heartiness, power, soundness, strength |
| Main Entry: | imperfection |
| Part of Speech: | noun |
| Definition: | flaw |
| Synonyms: | blemish, bug*, catch, defect, deficiency, deformity, demerit, disfigurement, failing, fallibility, fault, foible, frailty, glitch*, gremlin, inadequacy, incompleteness, infirmity, insufficiency, peccadillo, problem, shortcoming, sin, stain, taint, weak point, weakness |
| Antonyms: | excellence, flawlessness, perfection, purity |