Noun
nastika (uncountable)
(Hinduism) Not astika, see there for more.
Buddhists and Jains have disagreed that they are nastika and have redefined the phrases āstika and nāstika in their own view. Source: Internet
Jains assign the term nastika to one who is ignorant of the meaning of the religious texts, Page i, Forms of Indian Philosophical Literature and Other Papers by V.S. Kambi or those who deny the existence of the soul was well known to the Jainas. Source: Internet