| faultiness(noun, failure, lack, failing, defect) |
| imperfection(noun, failure, lack, failing, defect) |
| deficiency(noun, loss, defect, inadequacy, inability) |
| inadequacy(noun, loss, defect, imperfection, shortage) |
| shortcoming(noun, loss, defect, inadequacy, inability) |
| blemish(noun, defect, imperfection, inadequacy, inability) |
| failure(noun, imperfection, inadequacy, malfunction, faultiness) |
| incompleteness(noun, loss, flaw, defect, inadequacy) |
| fault |
| impurity(noun, impurity) |
| insufficiency(noun, loss, defect, imperfection, inadequacy) |
| shortfall(noun, loss, imperfection, deficit, insufficiency) |
| arrears(noun, loss, imperfection, inadequacy, deficit) |
| defalcation(noun, defect, inadequacy, shortage, inability) |
| default(noun, loss, imperfection, inadequacy, deficit) |
| defect(noun, imperfection, inadequacy, shortage, inability) |
| deficit(noun, loss, defect, inadequacy, shortage) |
| delinquency |
| failing(noun, defect, imperfection, inadequacy, shortage) |
| inadequateness(noun, defect, imperfection, inadequacy, shortage) |