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Noun: fluid  floo-id
  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
Adjective: fluid  floo-id
  1. Characteristic of a fluid; capable of flowing and easily changing shape
    - runny
  2. Unconstrained and flowing smoothly in movement
    "the fluid motion of a cat";
    - fluent, liquid, smooth
  3. In cash or easily convertible to cash
    "fluid assets";
    - liquid
  4. Affording change (especially in social status)
    "Britain is not a truly fluid society";
    - mobile
  5. Subject to change; variable
    "a fluid situation fraught with uncertainty";
    - unstable

Derived forms: fluids

See also: changeable, changeful, disposable, graceful, liquid

Type of: matter, substance

Encyclopedia: Fluid