■ noun a substance that has no fixed shape and yields easily to external pressure; a gas or (especially) a liquid.
■ adjective
1》 able to flow easily.
2》 not settled or stable.
3》 smoothly elegant or graceful.
4》 (of a clutch or coupling) using a liquid to transmit power.
Derivatives
~ity noun
~ly adverb
Origin
ME (as adjective): from Fr. ~e or L. ~us , from fluere 'to flow'.