| Main Entry: | inefficiency |
| Part of Speech: | noun |
| Definition: | incompetence |
| Synonyms: | carelessness, disorganization, inability, incapability, wastefulness |
| Main Entry: | inability |
| Part of Speech: | noun |
| Definition: | disabling lack of talent, skill |
| Synonyms: | disqualification, failure, frailty, impotence, inadequacy, inaptitude, incapability, incapacitation, incapacity, incompetence, ineffectiveness, ineffectualness, inefficacy, inefficiency, ineptitude, ineptness, insufficiency, inutility, lack, necessity, powerlessness, shortcoming, unfitness, weakness |
| Notes: | debility is the state of being weak in health or body; disability is the condition of being unable to perform as a consequence of physical or mental unfitness; inability is lack of mental ability or physical ability to do something |
| Antonyms: | ability, capacity, competence, skill, talent |
| Main Entry: | inadequacy |
| 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: | worthlessness |
| Part of Speech: | noun |
| Definition: | uselessness |
| Synonyms: | impracticality, inadequacy, inefficiency |
| Antonyms: | worth |
| Main Entry: | incapability |
| Part of Speech: | noun |
| Definition: | inability |
| Synonyms: | disqualification, failure, frailty, impotence, inadequacy, inaptitude, incapacitation, incapacity, incompetence, incompetency, ineffectiveness, ineffectualness, inefficacy, inefficiency, ineptitude, ineptness, insufficiency, inutility, lack, necessity, powerlessness, shortcoming, unfitness, weakness* |
| Main Entry: | incompetency |
| Part of Speech: | noun |
| Definition: | inability |
| Synonyms: | disqualification, failure, frailty, impotence, inadequacy, inaptitude, incapability, incapacitation, incapacity, incompetence, ineffectiveness, ineffectualness, inefficacy, inefficiency, ineptitude, ineptness, insufficiency, inutility, lack, necessity, powerlessness, shortcoming, unfitness, weakness* |
| Main Entry: | powerlessness |
| Part of Speech: | noun |
| Definition: | inability |
| Synonyms: | disqualification, failure, frailty, impotence, inadequacy, inaptitude, incapability, incapacitation, incapacity, incompetence, incompetency, ineffectiveness, ineffectualness, inefficacy, inefficiency, ineptitude, ineptness, insufficiency, inutility, lack, necessity, shortcoming, unfitness, weakness* |