impotent

Lacking physical strength or vigor; weak

Lacking in power, as to act effectively; helpless

Technology without morality is barbarous; morality without technology is impotent

Incapable of sexual intercourse, often because of an inability to achieve or sustain an erection, having impotentia coeundi.

A person smeared with the excrement of a mouse was rendered impotent, according to Pliny the Elder.

Sterile

Lacking self-restraint

Then, impotent of tongue (her ſilence broke) / Thus turbulent in rattling tone ſhe ſpoke.

A man who has erectile dysfunction

An impotent or powerless person