A liquid (as opposed to a solid or gas).
Any substance which can flow with relative ease, tends to assume the shape of its container, and obeys Bernoulli's principle; a liquid, gas or plasma.
Intravenous fluids.
In a state of flux; subject to change.
Of or relating to fluid.
Moving smoothly, or giving the impression of a liquid in motion.
Convertible into cash.
Genderfluid.
Any particular kind of petroleum jelly or of any similar lubricant.
Petroleum jelly.
To lubricate with vaseline.