AGNOSTIC

[noun] [C], [adjective] - (someone) not knowing, or believing that it is impossible to know, whether a god existsAlthough he was born a Catholic, he was an agnostic for most of his adult life.Her agnostic parents completely failed to understand the depth of her religious beliefs.Compare atheist.Agnostic can also mean not knowing whether something is true or right.I'm agnostic about whether there really is a hell.She said that she was agnostic about/on the government's education policy.