Synonyms of the word

impuissant

• adj. weak; impotent; feeble.

impotent

• adj. Lacking physical strength or vigor; weak.
• adj. Lacking in power, as to act effectively; helpless.
• adj. Incapable of sexual intercourse, often because of an inability to achieve or sustain an erection.
• adj. (of a male) Sterile.
• adj. (obsolete) Lacking self-restraint.
• n. A man who has erectile dysfunction.
• n. An impotent or powerless person.