fa ‧ tigue /fəˈtiːɡ/ BrE AmE noun
[ Date: 1600-1700 ; Language: French ; Origin: Latin fatigare 'to make tired' ]
1 . [uncountable] very great tiredness SYN exhaustion
Sam’s face was grey with fatigue.
He’s suffering from physical and mental fatigue.
2 . [uncountable] technical a weakness in metal or wood, caused when it is bent or stretched many times, which is likely to make it break:
3 . fatigues [plural] loose-fitting army clothes