fluid
Definitions
A substance, such as a liquid or gas, that is capable of flowing and changes its shape at a steady rate when acted upon by a force.
Characterized by or capable of smooth, easy, or graceful movement.
Subject to change or adjustment; not fixed or stable.
Examples
The design of the new building is fluid, incorporating curves that mimic the flow of water.
It is important to stay hydrated by consuming enough fluid throughout the day.
The situation remains fluid, and we expect further updates from the committee by tomorrow.