Your an Agnostic, many people think they are Athiest when they are actually Agnostic Athiests, mainly because the difference of meaning is slight, Agnostic doesn't mean "I don't know if theirs a god or not, I haven't made up my mind, I'm on the fence about it", That type of person would also be on the fence and undecided if they should be Agnostic too , An Agnostic Athiest is someone who doesn't believe in God, but knows that God can't be proved or disproved. Its not someone who is undecided on the matter. Generally you can some it up as "I don't believe in God, but I can't prove he doesn't exist, even though it is very probable", Its a proper scientific way of thinking about Athieism. Agnostic alone doesn't actually tell you much, the definition in the dictionary just goes something a long the lines of, "accepts that some things are unknown" which In my opinion is a pretty lame explanation of the term Agnostic. But I suppose this way you can use Agnostic to explain other things, Like "I am Agnostic about the Human brain" i.e "thier are some things that are unkown about the Human brain and I accept that" Here is a good qoute stating that Agnostic doesn't mean uncertainty on something. Although it is one of the definitions, I think mainly pushed by Religious people, like the claims that Athiesm is a form of Religion, for political purposes, "Agnosticism can be defined in various ways, and is sometimes used to indicate doubt or a skeptical approach to questions." This is not the main definition of Agnostic, this anyone who states they are Agnostic will probably mean the correct definition, which is "we accept that the answers to some claims are unkown", they should come up with something else to define someone who is undecided.. Fence-ism? perhaps . If somebody just says "I'm Agnostic" then this doesn't have to be related to God as I said, so the correct term for any Agnostic Athiest is just that. Most Athiests are Agnostic too, really, Athiesm doesn't make much sense unless you use Agnosticism to get there, unless ofcourse you are indoctrinated into Athiesm, which isn't exactly a bad thing, because atleast this way you are being brainwashed into the truth as a child, which is another way of putting "Eductaion", but by not believing in God simply because you never had any reason to think otherwise would be Belief without proof, which goes against Agnostic thinking, which Modern society incourages, scientific thinking that is, so its kind of hard to grow up to be an Athiest rather than a Agnostic Athiest with a modern education.