Noun, Suru verb, No-adjective
1. faint; trance; swoon; stupefaction
Wikipedia definition
2. Syncope (medicine)Syncope, the medical term for fainting, is precisely defined as a transient loss of consciousness and postural tone characterized by rapid onset, short duration, and spontaneous recovery due to global cerebral hypoperfusion that most often results from hypotension.
Read “Syncope (medicine)” on English Wikipedia
Read “失神” on Japanese Wikipedia
Read “Syncope (medicine)” on DBpedia
Other forms
失心 【しっしん】


to talk about this word.