fatigue

temporary loss of strength and energy resulting from hard physical or mental work

he was hospitalized for extreme fatigue

used of materials (especially metals) in a weakened state caused by long stress

metal fatigue

(always used with a modifier) boredom resulting from overexposure to something

he was suffering from museum fatigue

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

lose interest or become bored with something or somebody

I'm so tired of your mother and her complaints about my food