Synonyms of fluid


1. fluid, substance

usage: a substance that is fluid at room temperature and pressure

2. fluid, matter

usage: continuous amorphous matter that tends to flow and to conform to the outline of its container: a liquid or a gas


1. fluid, unstable, changeable (vs. unchangeable), changeful

usage: subject to change; variable; "a fluid situation fraught with uncertainty"; "everything was unstable following the coup"

2. fluid, runny, liquid (vs. gaseous) (vs. solid)

usage: characteristic of a fluid; capable of flowing and easily changing shape

3. fluent, fluid, liquid, smooth, graceful (vs. awkward)

usage: smooth and unconstrained in movement; "a long, smooth stride"; "the fluid motion of a cat"; "the liquid grace of a ballerina"

4. fluid, liquid, disposable (vs. nondisposable)

usage: in cash or easily convertible to cash; "liquid (or fluid) assets"

5. fluid, mobile, changeable (vs. unchangeable), changeful

usage: affording change (especially in social status); "Britain is not a truly fluid society"; "upwardly mobile"

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Definition and meaning of fluid (Dictionary)