mental incapacity

inability ineptitude inexperience

inadequacy

disqualification failure frailty impotence inadequacy inaptitude incapability incapacity incompetence ineffectiveness ineffectualness inefficacy inefficiency ineptitude ineptness insufficiency inutility lack necessity powerlessness shortcoming unfitness weakness

incapacitation

ability enough plenty strength strong point success sufficiency

barbarism blunder gaffe gaucherie goof immodesty improperness impudence inappropriateness incongruity incorrectness indecency indecorum inelegance rudeness slip solecism unbecomingness unseemliness unsuitability unsuitableness vulgarism vulgarity

faux pas

correction decency