The position that there are many different, contradictory definitions for the word "God", so one can't claim to be a theist OR an atheist until one knows which definition is meant. Furthermore, if the chosen definition is incoherent and makes no predictions that can be empirically tested, then it doesn't matter whether one believes in it or not, for how can something meaningless be true OR false ? (this last part is also known as theological noncognitivism