Why is agnosticism not sufficient to explain your stance?
Like Hokulele I think you do have to define what you are talking about in any particular discussion of the existence of god/gods. I get the impression that some theists become frustrated when that is asked of them: but it is not nitpicking or any trivial thing like that: it is absolutely essential. A friend of mine puts it well: If the theist's belief is in the Abrahamic god then I am a very strong atheist indeed: if, however, he is so perverse as to define god as a tea biscuit then I am a strong theist. So that is the first problem.
As Wolfman said, theists tend to get irritated by an insistence of definition because they "know" what they mean by god: it is just that they don't all mean the same thing. But in most discussions they are talking about some variant of the abrahamic god or about deism in one form or another: mainly because my interactions are usually with people who grew up in a western culture. So if we can establish that then like others I am an agnostic atheist
In line with the first definition in your link, I believe it is
impossible to know whether a god exists or not. I am not always consistent in stating this and I have caught myself saying things like "I would change my mind if I got evidence of god's existence": and I think that is true but a little disingenuous: because I do not believe that
could happen. It seems perfectly clear to me that if there is a god or gods it does not work that way. Maybe that is its choice (if it is omnipotent as some believe); or maybe it is intrinsic to its nature (as some deists appear to believe); or maybe it is because it does not exist (as atheists believe). Hardly matters. The kind of evidence which leads me to believe in things is wholly lacking: there is nothing I can sense; there is no crucial experiment; and there is no logical argument either. Since the question has exercised people for thousands of years I conclude that for some reason it is truly impossible to know in any meaningful sense of the word "know". And so I am agnostic
But it is perfectly possible to take that position and yet believe: if it were not then there would be no believers, because it is my position that they
cannot know. There are agnostic theists. I am not one of them. There are many areas of my life where I come to conclusions on the basis of insufficient knowledge: nearly all of them in fact. I do not understand the concept of gravity at all: but I believe gravity exists because that is what works for me. I do not drop something over the side of my bed before getting up each morning to check whether gravity still works: I did that loads of times from my pram when I was a baby and it always did; so now I don't bother. I cannot
know that gravity will not switch off one of these days (those who understand gravity may well "know" it won't, and why it won't, but I don't): that does not prevent me living my life as if I did. In the case of gravity I am not agnostic (because there is the possibility of knowledge) but I believe in it.
In the case of god I am atheist on the same basis: I must come to a conclusion because I need to make decisions about how to live my life. Whatever kind of god the theist believes in it has consequences for behaviour at some level. My particular mindset leads me to conclude that there is no god because, unlike gravity, I have never come across any problem which could be solved if god existed and not otherwise. That is where my occasional lapses into "if I got the evidence I would change my mind" come from, and that is true: but I would not be honest if I said that my agnosticism covers it: because I do not believe in god in a reasonably active way - by which I mean all of my relevant behaviour is predicated on lack of belief.