noun.
A state or feeling of weariness, diminished energy, or listlessness. synonym: lethargy.
The Century Dictionary and Cyclopedia
noun.
The state of having the energies weakened; weakness; weariness; languor of body or mind.
noun.SynonymsWeariness, etc. See fatique.
the GNU version of the Collaborative International Dictionary of English
noun.
A condition of the body, or mind, when its voluntary functions are performed with difficulty, and only by a strong exertion of the will; languor; debility; weariness.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a feeling of lack of interest or energy
noun.
a state of comatose torpor (as found in sleeping sickness)
noun.
weakness characterized by a lack of vitality or energy
Word Usage
"Bush has taken the opposite approach and for all his swagger and protectiveness of executive prerogatives is becoming a disturbing study in lassitude in the executive branch."