(Sanskrit and Pali, literally "without waves"; also transliterated Avichi, Avici) In Buddhism, the lowest level of the hell realms, inhabited by those who have committed one or more of the Five Grave Offenses:
Intentional murder of one's father
Intentional murder of one's mother
Killing an Arhat (enlightened being)
Harming a Buddha
Creating a division or split within the spiritual community