'Wateriness' definitions:

The wetness of ground that is covered or soaked with water; "the baseball game was canceled because of the wateriness of the outfield"; "the water's muddiness made it undrinkable"; "the sloppiness of a rainy November day" [syn: wateriness, muddiness, sloppiness]

Meagerness or poorness connoted by a superfluity of water (in a literary style as well as in a food); "the haziness and wateriness of his disquisitions"; "the wateriness of his blood"; "no one enjoys the burning of his soup or the wateriness of his potatoes"

The property of resembling the viscosity of water