fluid
US /ˈfluɪd/
・UK /'flu:ɪd/
B2
adjecitve
- A material that can easily flow, e.g. water
- Able to move smoothly or gracefully
- Changing often and without warning
noun
- Liquid that flows smoothly, such as water
Examples
It's a highly fluid situation.
Retaining excess fluid could be a problem.