| deficiency(noun, defect, imperfection, limitation, inadequacy) |
| improperness(impropriety, inappropriateness, unsuitability, unbecomingness) |
| ineffectiveness(defect, deficiency, imperfection, inadequacy, shortage) |
| ineffectualness(defect, deficiency, imperfection, inadequacy, shortage) |
| inefficiency(defect, deficiency, imperfection, inadequacy, shortage) |
| ineptness |
| mismatch(oddness, strangeness) |
| unsuitableness(defect, deficiency, impropriety, inadequacy, shortage) |
| wrongness(impropriety, unsuitability) |
| abnormality |
| anomaly |
| awkwardness |
| 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) |
| deficit(defect, deficiency, imperfection, inadequacy, shortage) |
| disability |
| drawback(defect, deficiency, imperfection, inadequacy, shortage) |