| faultiness(defect, deficiency, imperfection, inadequacy, shortage) |
| few |
| homelessness(noun, poverty) |
| impecuniosity(noun, pass, difficulty, distress, failure) |
| impecuniousness(noun, pass, difficulty, distress, failure) |
| impotence |
| inability(lack, defect, deficiency, imperfection, inadequacy) |
| inaptness(defect, deficiency, imperfection, inadequacy, shortage) |
| incapacity(defect, deficiency, imperfection, inadequacy, shortage) |
| incompetency(lack, defect, deficiency, inadequacy, shortage) |
| ineffectiveness(defect, deficiency, imperfection, inadequacy, shortage) |
| ineffectualness(defect, deficiency, imperfection, inadequacy, shortage) |
| inefficacy(defect, deficiency, imperfection, inadequacy, shortage) |
| inefficiency(defect, deficiency, imperfection, inadequacy, shortage) |
| ineptitude(defect, deficiency, imperfection, inadequacy, shortage) |
| inferiority(noun, want, need, loss, reduction) |
| infinitesimal |
| insubstantial |
| insufficience(noun, weakness, want, need, lack) |
| lapse(weakness, failure, lack, deficiency, shortage) |