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1.
A view which is negative towards atheists, based upon a fear of atheism. Compare with homophobic.
The sheer number of atheiphobic websites was getting Christopher down.
by Dorkins November 13, 2008
 
2.
Non-existent like the supposed intellect of an atheist.

No one is an atheistphobe unless they have an irrational fear of atheists.

However most theists don't use generalizations like atheists and therefore wouldn't develop a fear of atheists based on the stupidity and irrational anger of some of them.
Christian: So you're atheist? That's cool. I don't care.

Atheist: You sound like you're Atheiphobic!!!

Christian: Don't talk about phobias when you're the one putting all Christians into the same boat teaching people that we're inhuman monsters.
by Redditcringe January 07, 2014