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Meaning of impotent

im•po•tent

Pronunciation: (im'pu-tunt), [key]
— adj.
  1. not potent; lacking power or ability.
  2. utterly unable (to do something).
  3. without force or effectiveness.
  4. lacking bodily strength or physically helpless.
  5. (of a male) unable to attain or sustain a penile erection.
  6. (esp. of a male) sterile.
  7. without restraint.
—n.
  1. an impotent person: therapy for sexual impotents.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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