What is "runnier"

Usage examples of "runnier".

As it emerged it flowed stickily, slowly, like molasses, but as it cooled it became runnier, until it pooled down the shallow slopes of the vent like machine oil.

It was sweet and had thickened up so that it was not much runnier than sorghum, nor much clearer.

Mara arrived, leaving the liquid in the long troughs looking more like a runnier version of the slime than anything resembling water.