A condition characterized by lack of normal functioning of physical or mental processes:
Gradual return to health and strength after illness.
Lack of capacity, power, or fitness; disability
The condition or fact of being insufficient or falling short:
The quality or condition of being inadequate.
The definition of impuissance is weakness, whether it be physical or mental.
Find another word for helplessness. In this page you can discover 31 synonyms, antonyms, idiomatic expressions, and related words for helplessness, like: incapability, powerlessness, disorder, uselessness, fearfulness, poor health, convalescence, incapacity, weakness, failure and illness.