impotent

Meanings

Adjective

• lacking physical strength or vigor; weak
• lacking in power, as to act effectively; helpless
• incapable of sexual intercourse, often because of an inability to achieve or sustain an erection
• sterile
• lacking self-restraint

Noun

• a man who has erectile dysfunction
• an impotent or powerless person

Related

Opposite words

• potent

Origin

• From Old French impotent, from Latin impotēns, from in- + potēns.