Also means
impotent
Usage Note
Impuissant means unable to act or prevent something — se sentir impuissant ('to feel helpless'). The feminine form is impuissante. In medical contexts it specifically refers to male impotence; learners should be aware of this double register when choosing the word.
Examples
"Il se sentait impuissant face au désastre."
Natural Translation
He felt powerless in the face of the disaster.

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