an impotent or powerless person
a man who has erectile dysfunction
lacking physical strength or vigor; weak
incapable of sexual intercourse, often because of an inability to achieve or sustain an erection, having impotentia coeundi
lacking in power, as to act effectively; helpless
sterile
something that causes privation or indicates an absence
causing privation; depriving
consisting in the absence of something; negative
indicating the absence of something