{ A′the‐is″tic (�), A′the‐is″tic‐al (�), } a. 1. Pertaining to, implying, or containing, atheism; — applied to things; as, atheistic doctrines, opinions, or books.
Atheistical explications of natural effects.
Barrow.
2. Disbelieving the existence of a God; impious; godless; — applied to persons; as, an atheistic writer. — A′the‐is″tic‐al‐ly, adv. — A′the‐is″tic‐al‐ness, n.