1.temporary loss of strength and energy resulting from hard physical or mental work;
he was hospitalized for extreme fatigue
2.used of materials (especially metals) in a weakened state caused by long stress;
metal fatigue
3.(always used with a modifier) boredom resulting from overexposure to something;
he was suffering from museum fatigue
4.labor of a nonmilitary kind done by soldiers (cleaning or digging or draining or so on);
the soldiers were put on fatigue to teach them a lesson
1.get tired of something or somebody
2.exhaust or tire through overuse or great strain or stress;
We wore ourselves out on this hike