adjective. Lacking physical strength or vigor; weak.

adjective. Lacking in power, as to act effectively; helpless.

adjective. Incapable of sexual intercourse because of an inability to achieve or sustain an erection.

adjective. Lacking self-restraint.

Not potent; lacking power, strength, or vigor, physical, intellectual, or moral; powerless; weak; feeble.

Wholly lacking in sexual power: said of the male, and rarely of the female.

Lacking the power of self-restraint; destitute of self-command; ungovernable.

noun. One who is feeble, infirm, or languishing under disease.

noun. A male without sexual power.

noun. One who is impotent.

adjective. Not potent; wanting power, strength. or vigor. whether physical, intellectual, or moral; deficient in capacity; destitute of force; weak; feeble; infirm.

adjective. Wanting the power of self-restraint; incontrolled; ungovernable; violent.

adjective. Wanting the power of procreation; unable to copulate; also, sometimes, sterile; barren

adjective. Lacking physical strength or vigor; weak.

adjective. Lacking in power, as to act effectively; helpless

adjective. Incapable of sexual intercourse, often because of an inability to achieve or sustain an erection.

adjective. Sterile.

adjective. Lacking self-restraint.

adjective. (of a male) unable to copulate

adjective. lacking power or ability

"She sprang to her feet, wringing her hands in impotent wrath."

impuissant  ineffective  ineffectual  unable  

desperate  futile  helpless  hopeless  insane  

acarpous  aimless  anemic  arid  asexual