虚脱きょだつ Noun Irregular Intransitive English jmdict 1 noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru intransitive verb lethargy;despondency;mental numbness 2 noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru intransitive verb medicine (physical) collapse;prostration