fluid
noun.
a substance that is fluid at room temperature and pressure
noun.
continuous amorphous matter that tends to flow and to conform to the outline of its container: a liquid or a gas
adj.
subject to change; variable
a fluid situation fraught with uncertainty|everything was unstable following the coup
Synonym: unstable
adj.
characteristic of a fluid; capable of flowing and easily changing shape
Synonym: runny
adj.
smooth and unconstrained in movement
a long, smooth stride|the fluid motion of a cat|the liquid grace of a ballerina
Synonym: fluent, liquid, smooth
adj.
in cash or easily convertible to cash
liquid (or fluid) assets
Synonym: liquid
adj.
affording change (especially in social status)
Britain is not a truly fluid society|upwardly mobile
Synonym: mobile