| inability(noun, weakness, skill, lack, failing) |
| disability(noun, disadvantage, restriction, infirmity, frailty) |
| impropriety(noun, agree, slip, condition, disagreement) |
| disqualification(noun, weakness, skill, failure, disadvantage) |
| incapability(noun, weakness, skill, failure, shortcoming) |
| unsuitability(noun, agree, slip, condition, usual) |
| incompetence(noun, weakness, skill, failure, lack) |
| impotence(noun, weakness, skill, failure, shortcoming) |
| inappropriateness(noun, agree, slip, condition, usual) |
| inaptitude(noun, weakness, skill, failure, disagreement) |
| incapacity(noun, weakness, skill, failure, lack) |
| ineptitude(noun, weakness, skill, failure, lack) |
| feebleness(noun, weakness, hopelessness, inability, helplessness) |
| inadequacy(noun, weakness, skill, failure, lack) |
| inconvenience(noun, trouble, bother, inexpedience, untimeliness) |
| inefficiency(noun, weakness, skill, failure, lack) |
| ineptness(noun, weakness, skill, failure, shortcoming) |
| inexpedience(noun, inexpedience) |
| poor shape(noun, expression, idiom) |
| unseemliness(noun, agree, slip, condition, usual) |