fatigue

fa-tigue · noun, verb

imported

Definitions

1.
Extreme tiredness resulting from mental or physical exertion or illness.
2.
To cause someone to feel tired or exhausted.
3.
Weakness in metal or other materials caused by repeated stress.
4.
(fatigues) Loose-fitting clothing worn by soldiers, typically for non-combat duties.

plural: fatigues

•
combat fatigue — Psychological disturbance from prolonged combat (now called PTSD)
•
fatigue factor — The effect of tiredness on performance
•
battle fatigue — Another term for combat fatigue

From French fatigue ("weariness, tiredness"), from fatiguer ("to tire"), from Latin fatigare ("to weary"). Entered English in the 17th century.