<psychology> Morbid fear of fatigue. ... Origin: G. Kopos, fatigue, + phobos, fear ... (05 Mar 2000) ... 
Type: Term Pronunciation: kop′ō-fō′bē-ă Definitions: 1. Morbid fear of fatigue.
Kopophobia is the fear of fatigue.
copophobia, kopophobia 1. A dread or fear of being mentally or physically exhausted. 2. A morbid or abnormal fear of fatigue or exhaustion. 3. An apprehension of mental or physical exhaustion because of weakness, possible fainting; and, therefore, being powerless or out of control.kopophobia A dread of fatigue, exhaustion; or an apprehension of mental or physical exhaustion.