A common argument of many atheists is that the word "god" is unintelligible, incoherent, inconsistent, etc, and therefore, they have no idea what you are talking about when you use it, and thus, they obviously cannot believe in something which hasn't even been defined.
As an atheist, I think that argument stinks to high heaven.
So, what say you? Is the word "god" meaningless and undefined? Is it fair to say that you have no concept of what someone is talking about when they use that word? What is the defense of this argument?
Of course the word "god" means something, but without further qualifiers it's impossible to have a conversation about it. Imagine a thread - "do you want to keep the animal I am thinking about as a pet? Yes or no". I can't even begin to answer unless I know whether the OP is thinking about a labradoodle or a hippopotamus.
So it is with God. When someone starts a conversation about some god form or other, they usually assume the reader knows exactly what they are talking about and resist pressure to provide additional information, without which a meaningful conversation is impossible.
In most cases, I make certain assumptions about what kind of god a person is holding in their mind in order to participate in the conversation about it with them. I hold no god concepts in my own mind, being a non-theist, so there is no "default" definition. I must use the definition of whoever I am talking to, and most of the time they refuse to give it.
Even simple distinctions: is it corporeal or not? Is it male, female or genderless? Where does it live? Is it wrathful or benevolent? Does it take a personal interest in our lives? Does it influence events? Etc. how can a god concept be discussed unless we know all this and more?
When I say in threads that I am certain "god does not exist", I am actually saying I am certain the god concept I assume is held in the asker's mind does not exist. I only say such things to people who have demonstrated a clear tendency toward fundamentalism, irrationality and magical thinking, which indicate a lack of clear perception. IF there is anything to perceive, I am certain such people are not perceiving it.