(transitive) To reduce strength or energy; debilitate. / (transitive) To weaken morally or mentally. / (medicine) To partially or completely remove a nerve.

Made feeble; weakened.

(sciences) Possessing or pertaining to energy. / Characterised by force or vigour; full of energy; lively, vigorous. / (obsolete) Having powerful effects; efficacious, potent.

(physics) The energy possessed by an object because of its motion, equal (nonrelativistically) to one half the mass of the body times the square of its speed.

An injection of fluid into the large intestine by way of the rectum, usually for medical purposes. / The fluid so injected. / A device for administering such an injection.

(physics, quantum mechanics) The lowest possible energy of a given quantum mechanical system.

(alternative medicine) The spiritual or etheric energy produced by an individual living being.

(physics) of an elementary particle, or the equivalent electromagnetic radiation, having an energy greater than a hundred thousand electron volts

The energy possessed by an object because of its position (in a gravitational or electric field), or its condition (as a stretched or compressed spring, as a chemical reactant, or by having rest mass).

Alternative spelling of archenemy