| carelessness(noun, incompetence) |
| disorganization(noun, incompetence, ineffectiveness, ineptitude) |
| drawback(defect, deficiency, imperfection, inadequacy, shortage) |
| inaptness(defect, deficiency, imperfection, inadequacy, shortage) |
| inutility(noun, weakness, skill, failure, shortcoming) |
| blemish(defect, deficiency, imperfection, limitation, inadequacy) |
| dearth(defect, deficiency, imperfection, inadequacy, shortage) |
| defalcation(defect, deficiency, imperfection, inadequacy, shortage) |
| defect(noun, deficiency, imperfection, limitation, inadequacy) |
| defectiveness(defect, imperfection, inadequacy, shortage, inability) |
| defenselessness(noun, weakness, hopelessness, helplessness, subjection) |
| deficit(defect, deficiency, imperfection, inadequacy, shortage) |
| delinquency(noun, inexpedience) |
| dilettantism(noun, stupidity, ignorance, inability, incapacity) |
| disadvantage |
| disservice |
| failing(defect, deficiency, imperfection, limitation, inadequacy) |
| faultiness(noun, defect, deficiency, imperfection, inadequacy) |
| frailty(noun, weakness, skill, failure, shortcoming) |
| fruitlessness |