Other words for “fluid”, grouped by meaning.
We found 9 synonyms for “fluid”. The most common are unstable, changeable, runny, liquid, fluent.
adjective subject to change; variable
adjective characteristic of a fluid; capable of flowing and easily changing shape
adjective smooth and unconstrained in movement
adjective in cash or easily convertible to cash
adjective affording change (especially in social status)
Source: WordNet 3.1, Princeton University