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Noun, Suru verb, Intransitive verb
1. fatigue; weariness; exhaustion; tiredness
Noun, Suru verb, Intransitive verb
2. fatigue (of metal, etc.)
Wikipedia definition
3. Fatigue (medical)Fatigue (also called exhaustion, lethargy, languidness, languor, lassitude, and listlessness) is a state of awareness describing a range of afflictions, usually associated with physical and/or mental weakness, though varying from a general state of lethargy to a specific work-induced burning sensation within one's muscles. Physical fatigue is the inability to continue functioning at the level of one's normal abilities.
Read “Fatigue (medical)” on English Wikipedia
Read “疲労” on Japanese Wikipedia
Read “Fatigue (medical)” on DBpedia

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