Fatigue is a subjective feeling of tiredness that has a gradual onset. Unlike weakness, fatigue can be alleviated by periods of rest. Fatigue can have physical or mental causes. Physical fatigue is the transient inability of a muscle to maintain optimal physical performance, and is made more severe by intense physical exercise. Mental fatigue is a transient decrease in maximal cognitive performance resulting from prolonged periods of cognitive activity. It can manifest as somnolence, lethargy, or directed attention fatigue.Medically, fatigue is a non-specific symptom, which means that it has many possible causes and accompanies many different conditions. Fatigue is considered a symptom, rather than a sign, because it is a subjective feeling reported by the patient, rather than an objective one that can be observed by others. Fatigue and ‘feelings of fatigue’ are often confused.
Lacking enthusiasm, energy, or strength; drooping or flagging from weakness, fatigue, or lack of energy
Heavy; dull; dragging; wanting spirit or animation; listless; apathetic.
A languet in an organ musical instrument.
To lose strength and become weak; to be in a state of weakness or sickness. from 14th c.
To pine away in longing for something; to have low spirits, especially from lovesickness. from 14th c.
“He languished without his girlfriend”
To live in miserable or disheartening conditions. from 15th c.
“He languished in prison for years”
To be neglected; to make little progress, be unsuccessful. from 17th c.
“The case languished for years before coming to trial.”
To make weak; to weaken, devastate. 15th-17th c.
To affect a languid air, especially disingenuously. from 18th c.