| unfitness(noun, weakness, skill, failure, lack) |
| inaptitude(noun, weakness, skill, failure, shortcoming) |
| disqualification(noun, weakness, skill, failure, shortcoming) |
| stupidity(noun, rudeness, dullness, indiscretion, thoughtlessness) |
| folly(rudeness, indiscretion, thoughtlessness, stupidity, foolishness) |
| absurdity(noun, apathy, nonsense, stupidity, ignorance) |
| foolishness(noun, rudeness, indiscretion, thoughtlessness, stupidity) |
| imbecility(noun, apathy, nonsense, absurdity, stupidity) |
| worthlessness |
| insufficiency(noun, weakness, skill, failure, lack) |
| asininity(simplicity, apathy, nonsense, absurdity, stupidity) |
| fatuity(apathy, nonsense, absurdity, stupidity, ignorance) |
| frivolity(simplicity, foolishness, silliness, imbecility folly, foolhardiness) |
| incompetency(noun, weakness, lack, failing, defect) |
| slowness(noun, apathy, nonsense, absurdity, ignorance) |
| unsuitableness(noun, defect, deficiency, imperfection, inadequacy) |
| uselessness(noun, weakness, hopelessness, inability, helplessness) |
| brainlessness(apathy, nonsense, absurdity, ignorance) |
| crudeness(noun, rudeness, indiscretion, thoughtlessness, vulgarity) |
| disability |