fluid

Adjective

• affording change (especially in social status)
  • Britain is not a truly fluid society
    
  • upwardly mobile
    

• in cash or easily convertible to cash
  • liquid (or fluid) assets
    

• smooth and unconstrained in movement
  • a long, smooth stride
    
  • the fluid motion of a cat
    
  • the liquid grace of a ballerina
    

• characteristic of a fluid; capable of flowing and easily changing shape

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

Noun

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

• a substance that is fluid at room temperature and pressure

Related words

• Synonyms: 
  mobile , liquid , fluent , smooth , runny , unstable