Fluid meaning

What does “fluid” mean? Definitions, examples, synonyms and opposites.

“fluid” is a noun and adjective with 7 meanings. Its most common meaning is: a substance that is fluid at room temperature and pressure.

fluid

a substance that is fluid at room temperature and pressure
continuous amorphous matter that tends to flow and to conform to the outline of its container: a liquid or a gas

subject to change; variable
“a fluid situation fraught with uncertainty”
“everything was unstable following the coup”
Synonymsunstable
characteristic of a fluid; capable of flowing and easily changing shape
Synonymsrunny
smooth and unconstrained in movement
“a long, smooth stride”
“the fluid motion of a cat”
Synonymsfluent liquid smooth
in cash or easily convertible to cash
“liquid (or fluid) assets”
Synonymsliquid
affording change (especially in social status)
“Britain is not a truly fluid society”
“upwardly mobile”
Synonymsmobile

Source: WordNet 3.1, Princeton University