Antonyms of adj impotent

2 senses of impotent

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

potent (vs. impotent), strong, stiff -- (having a strong physiological or chemical effect; "a potent toxin"; "potent liquor"; "a potent cup of tea", "a stiff drink")
        => equipotent -- (having equal strength or efficacy)
        => multipotent -- (able to many things; "multipotent drugs")

Sense 2
impotent (vs. potent) -- ((of a male) unable to copulate)

potent (vs. impotent), virile -- ((of a male) capable of copulation)

Similarity of adj impotent

2 senses of impotent

Sense 1
impotent (vs. potent) -- (lacking power or ability; "Technology without morality is barbarous; morality without technology is impotent"- Freeman J.Dyson; "felt impotent rage")
       => ineffective, ineffectual, unable -- (lacking in power or forcefulness; "an ineffectual ruler"; "like an unable phoenix in hot ashes")
       => impuissant -- (lacking physical strength or vigor)
          Also See-> powerless#1; sterile#1, unfertile#1, infertile#1

Sense 2
impotent (vs. potent) -- ((of a male) unable to copulate)