Answer: atheist

AnswerCrossword Clue
ATHEISTIsaac Asimov, notably
ATHEISTUnbeliever
ATHEISTOne "with no invisible means of support": Sheen
ATHEISTWhat Socrates was purported to be
ATHEISTHe eschews pews
ATHEISTDeity discreditor
ATHEISTMadalyn O'Hair, e.g.
ATHEISTNot the prayerful sort
ATHEISTEvangelist's target
ATHEISTDisbeliever
ATHEISTOne who's beyond belief?
ATHEISTO'Hair, famously
ATHEISTOne beyond belief?
ATHEISTOne not likely to say "Oh, my God!"
ATHEISTHe's beyond belief
ATHEISTOne who's unfaithful?
atheistperson who denies or disbelieves the existence of a supreme being or beings
atheistone who believes that there is no god
ATHEISTBeliever's antithesis
ATHEISTSocrates, e.g.
ATHEISTDarwinian, perhaps
ATHEISTNo churchgoer
ATHEISTCamus, by belief
ATHEISTNon-believer
ATHEISTUnfaithful one?
ATHEISTBertrand Russell, for one
ATHEISTOne you won't find in a foxhole?
ATHEISTNonbeliever
ATHEISTMadalyn Murray O'Hair, famously
ATHEISTNonreligious sort
ATHEISTWord from the Greek for "godless"
ATHEISTOne who doesn't believe in God
ATHEISTInfidel.
ATHEISTUnbeliever.
ATHEISTBeliever in a certain doctrine