Main Entry: im·po·tence

Pronunciation: \ˈim-pət-ən(t)s\

Function: noun

1 : the quality or state of not being potent <drug-resistant bacteria are a virulent indicator of the growing impotence of antibiotics>
2 : an abnormal physical or psychological state of a male characterized by inability to engage in sexual intercourse because of failure to have or maintain an erection—called also erectile dysfunction