|1.||[ noun ] a substance that is fluid at room temperature and pressure|
|Related terms:||substance liquid coolant filtrate|
|2.||[ noun ] a continuous amorphous substance that tends to flow and to conform to the outline of its container: a liquid or a gas|
|Related terms:||substance gas liquid ichor|
|3.||[ adjective ] subject to change; variable|
"a fluid situation fraught with uncertainty" "everything was unstable following the coup
|4.||[ adjective ] in cash or easily convertible to cash|
"liquid (or fluid) assets"
|5.||[ adjective ] smooth and unconstrained in movement|
|Synonyms:||flowing smooth liquid fluent|
"a long, smooth stride" "the fluid motion of a cat" "the liquid grace of a ballerina" "liquid prose"
|6.||[ adjective ] characteristic of a fluid; capable of flowing and easily changing shape|
|7.||[ adjective ] affording change (especially in social status)|
"Britain is not a truly fluid society" "upwardly mobile"