PTS Pali-English dictionary - The Pali Text Society's Pali-English dictionary
Visaññin
Visaññin,(adj.) [vi+saññin] unconscious,one who has lost consciousness; also in meaning “of unsound mind” (=ummattaka Nd1 279) A.II,52 (khitta-citta+); Miln.220; Sdhp.117.(Page 639)