Fluid and Hard stuff

Fluid noun - Continuous amorphous matter that tends to flow and to conform to the outline of its container: a liquid or a gas.

Hard stuff and fluid are semantically related In some cases you can use "Hard stuff" instead a noun "Fluid".

Nearby Word: fluidity

Fluid and hard stuff are semantically related in drink topic. Sometimes you can use "Fluid" instead a noun phrase "Hard stuff".