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