fluid meaning and definition

FLUID noun

Definition of fluid (noun)

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

FLUID adjective

Definition of fluid (adjective)

1. subject to change; variable
   • "a fluid situation fraught with uncertainty"; "everything was unstable following the coup"
   • synonyms: unstable
2. characteristic of a fluid; capable of flowing and easily changing shape
   • synonyms: runny
3. smooth and unconstrained in movement
   • "a long, smooth stride"; "the fluid motion of a cat"; "the liquid grace of a ballerina"
   • synonyms: fluent, liquid, smooth
4. in cash or easily convertible to cash
   • "liquid (or fluid) assets"
   • synonyms: liquid
5. affording change (especially in social status)
   • "Britain is not a truly fluid society"; "upwardly mobile"
   • synonyms: mobile