Synonyms for fluid

adjective

• affording change (especially in social status)
• characteristic of a fluid; capable of flowing and easily changing shape
• smooth and unconstrained in movement
• in cash or easily convertible to cash
• subject to change; variable

noun

• a substance that is fluid at room temperature and pressure
• continuous amorphous matter that tends to flow and to conform to the outline of its container: a liquid or a gas