The definition of inability is the state of having no power or a lack of ability.
Lack of capacity, power, or fitness; disability
Absence of the legal capacity to understand the charges against one and to participate in one’s own trial.
The quality or condition of being inadequate.
The capacity of a system or machine to operate:
The quality or state of being incompetent.
Find another word for powerlessness. In this page you can discover 19 synonyms, antonyms, idiomatic expressions, and related words for powerlessness, like: helplessness, inability, incapability, incapacity, incompetency, impotence, inadequacy, ineffectiveness, ineffectuality, ineffectualness and inefficacy.