the GNU version of the Collaborative International Dictionary of English
n. The act of weakening, or reducing strength.
n. The state of being weakened; effeminacy.
The Century Dictionary and Cyclopedia
n. The act of enervating, or the state of being enervated; reduction or weakening of strength; effeminacy.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. serious weakening and loss of energy
n. surgical removal of a nerve
n. lack of vitality
Word Usage
"But after a couple of hours, in the neighbourhood of eleven, when it may be anything from 110 to 120 degrees in the shade, a kind of enervation sets in."