Antonyms of adj impuissant

1 sense of impuissant

Sense 1
impuissant -- (lacking physical strength or vigor)

INDIRECT (VIA impotent) -> potent, strong, stiff -- (having a strong physiological or chemical effect; "a potent toxin"; "potent liquor"; "a potent cup of tea", "a stiff drink")

Similarity of adj impuissant

1 sense of impuissant

Sense 1
impuissant -- (lacking physical strength or vigor)
       => impotent (vs. potent) -- (lacking power or ability; "Technology without morality is barbarous; morality without technology is impotent"- Freeman J.Dyson; "felt impotent rage")