fatigue
//fəˈtiːɡ//
Noun
fatigueSingular
fatiguesPlural
1
Extreme tiredness resulting from mental or physical exertion or illness.
After working long hours, she felt extreme fatigue.
2
A reduction in the efficiency of a muscle or organ after prolonged activity.
Muscle fatigue set in after the long run.
3
Weakness in metal or other materials caused by repeated variations of stress.
The bridge collapsed due to metal fatigue.
4
Military clothing worn for manual labor or field duty.
The soldiers changed into their fatigues before starting the field exercise.
Synonym
Verb
fatiguePresent tense
fatiguedPast tense
fatiguedPast participle
fatiguingPresent participle
fatiguesThird-person singular
1
To cause someone to feel exhausted or weary.
The long journey fatigued all the travelers.
2
To weaken a material, especially metal, by repeated variations of stress.
Repeated bending can fatigue the metal and cause it to crack.