impotent

1. Lacking power or ability (synset 301830237)
   "Technology without morality is barbarous; morality without technology is impotent"; "felt impotent rage"
   also:

   • infertile, sterile, unfertile - incapable of reproducing
   • powerless - lacking power
   tells us about: effectiveness, potency, strength - capacity to produce strong physiological or chemical effects
   similar to:

   • effete - deprived of vigor and the ability to be effective
   • ineffective, ineffectual, unable - lacking in power or forcefulness
   • impuissant - lacking physical strength or vigor
2. (of a male) unable to copulate (synset 301831268)

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