(~s)
1.
A ~ is a liquid. (FORMAL)
The blood vessels may leak ~, which distorts vision...
Make sure that you drink plenty of ~s.
...~ retention.
N-MASS
2.
Fluid movements or lines or designs are smooth and graceful.
The forehand stroke should be ~ and well balanced.
ADJ
3.
A situation that is ~ is unstable and is likely to change often.
= changeable
ADJ: usu v-link ADJ