the condition or quality of being impotent; weakness.

chronic inability to attain or sustain an erection for the performance of a sexual act.

sterility, esp. in the male.

Obsolete . lack of self-restraint.

noun

infertility , unproductiveness , infecundity , barrenness , erectile dysfunctionnotes:impotence is the male\'s inability to copulate or get an erection; sterility is the inability of either a male or female to procreate , powerlessness , helplessness , feebleness , infirmitynotes:impotence is the male\'s inability to copulate or get an erection; sterility is the inability of either a male or female to procreate , inadequacy , incapability , ineffectiveness , ineffectualness , inefficacy , uselessness , anaphrodisia , fecklessness , impotency , sterility , weakness