fluid Meaning and Definition

1. n. a continuous amorphous substance that tends to flow and to conform to the outline of its container: a liquid or a gas

2. n. a substance that is fluid at room temperature and pressure

3. s. subject to change; variable

4. s. affording change (especially in social status)

5. s. in cash or easily convertible to cash

6. s. smooth and unconstrained in movement

7. s. characteristic of a fluid; capable of flowing and easily changing shape