Tiredness; Weariness; Exhaustion; Lethargy
Definition of Fatigue
Fatigue is a feeling of weariness, tiredness, or lack of energy.
A.D.A.M. Editorial Team: David Zieve, MD, MHA, David R. Eltz. Previously reviewed by David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine (8/3/2009). – 2/24/2010