1. atheistical - Adjective
2. atheistical - Adjective Satellite
Pertaining to, implying, or containing, atheism; -- applied to things; as, atheistic doctrines, opinions, or books.
Disbelieving the existence of a God; impious; godless; -- applied to persons; as, an atheistic writer.
Source: Webster's dictionaryA cold atheistical materialism is the tendency of the so-called material philosophy of the present day. Adam Sedgwick
atheist leanings Source: Internet