What is "inconstantly"

Usage examples of "inconstantly".

But they were inconstantly situated and, often, between them lay passages of deep-water sink holes and well-camouflaged meadows of what appeared to be solid ground but were, instead, quicksand that could draw a man under within seconds.

His eyes batted inconstantly between the insidious creature itself and the patch of domed darkness from where he had first seen it rise.

Second, there is the illusion of a fixed emotional makeup, when actually feelings--as even that rude playwright Shakespeare pointed outwax and wane as inconstantly as the moon.