FATIGUE Meaning of FATIGUE in English I . n. 1.Weariness, lassitude, exhaustion.2.Labor, toil, hardship.3.( Mil. ) Extra duty ( distinct from that of arms ). II . v. a. Tire, weary, exhaust, jade, fag. Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012