fluid -- (a substance that is fluid at room temperature and pressure)
fluid -- (continuous amorphous matter that tends to flow and to conform to the outline of its container: a liquid or a gas)
Overview of adj fluid
The adj fluid has 5 senses
fluid, unstable -- (subject to change; variable; "a fluid situation fraught with uncertainty"; "everything was unstable following the coup")
fluid, runny -- (characteristic of a fluid; capable of flowing and easily changing shape)
fluent, fluid, liquid, smooth -- (smooth and unconstrained in movement; "a long, smooth stride"; "the fluid motion of a cat"; "the liquid grace of a ballerina")
fluid, liquid -- (in cash or easily convertible to cash; "liquid (or fluid) assets")
fluid, mobile -- (affording change (especially in social status); "Britain is not a truly fluid society"; "upwardly mobile")