[syn: impotence, impotency]
The Collaborative International Dictionary of English v.0.48:
Impotence \Im"po*tence\, Impotency \Im"po*ten*cy\, n. [L.
impotenia inability, poverty, lack of moderation. See
1. The quality or condition of being impotent; lack of
strength or power, animal, intellectual, or moral;
weakness; feebleness; inability; imbecility.
Some were poor by impotency of nature; as young
fatherless children, old decrepit persons, idiots,
and cripples. --Hayward.
O, impotence of mind in body strong! --Milton.
2. Lack of self-restraint or self-control. [R.] --Milton.
3. (Law & Med.) Lack of procreative power; inability to
copulate, or beget children; also, sometimes, sterility;
barrenness; specifically, in males: the inability to
achieve or sustain a penile erection; erectile
[1913 Webster +PJC]
WordNet (r) 3.0 (2006):
n 1: the quality of lacking strength or power; being weak and
feeble [syn: powerlessness, impotence, impotency]
[ant: power, powerfulness]
2: an inability (usually of the male animal) to copulate [syn:
impotence, impotency] [ant: potence, potency]