impotent
adjectiveLacking physical strength or vigor; weak.
adjectiveLacking in power, as to act effectively; helpless.
adjectiveIncapable of sexual intercourse because of an inability to achieve or sustain an erection.
adjectiveLacking 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.
nounOne who is feeble, infirm, or languishing under disease.
nounA male without sexual power.
nounOne who is impotent.