Nothing, the void, the abyss, the great unknown... or is it just a really big empty space?
As a philosopher once said: "The meaning of nothing is that there is no meaning, because there's nothing there."
But what about the meaning of the absence of meaning? Is that not a thing? A void within the void?
Learn more about the absence of meaning
Or, if you're feeling particularly existential, you can read about the meaninglessness of nothing