It’s been common in the last couple of decades for atheists to attempt to redefine atheism as a “lack of belief in God” as opposed to “a belief that God does not exist.” I’ve examined the errors of this endeavor before (here, here, and here).

From time-to-time, you’ll also see atheists getting even more creative with their labels. One that has interested me is the label “agnostic atheist.” This so-called position takes the redefinition of atheism as its starting point, and then adds to it the uncertainty that is implied by “agnostic.” An agnostic atheist, then, is someone who lacks a belief in God but does not know for sure whether God exists or not.*

This is silly. There’s no such thing as an “agnostic atheist.” Someone is agnostic for one of three reasons: (1) He has no knowledge of the matter from which to form an opinion regarding God’s existence or non-existence; (2) He thinks the evidence is equally good for God’s existence as it is against God’s existence; (3) He thinks it is impossible to know whether God exists or not.

Neither of the first two are true of so-called “agnostic atheists.” They aren’t uninformed. They have clearly spent some time thinking about and investigating the question of God’s existence. Neither are they split on where the evidence points. They clearly think it’s more likely that God does not exist than that God does exist. They could think it’s impossible to know whether God exists, but if so, why would they describe themselves as someone who lacks a belief in God? That is a particular epistemic state, and that state does not follow from the belief that it’s impossible to know if God exists or not. If it’s not possible to know whether God exists, one could just as easily find themselves in the epistemic state of having a belief in God, lacking a belief in God, or having a belief that there is no God. So why does the agnostic atheist find himself in the epistemic state of lacking a belief in God instead of having a belief in God? It’s because he does not believe God exists.

At the end of the day, there is no sense in which they are truly agnostic. They are just plain ‘ol traditional atheists who are trying to sound more humble.

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*Some would define agnostic atheist to mean they don’t believe God exists, but are nevertheless not certain that this is true. While this is a laudable admission, it does not require the addition of the word “agnostic” because the concept of certainty is not baked into “theism” or “atheism.” It’s not as though one can only call themselves an atheist if they are absolutely certain that there is no God. The concept of certainty is not baked into the terms “theism” and “atheism.” See https://thinkingtobelieve.com/2012/03/02/dawkins-is-an-agnostic-why-certainty-is-irrelevant-to-defining-atheism/.