How do you use the word "fluid" in a sentence?

Here are real-life examples of using "fluid": This fluid can be substituted for glue. The plans are still fluid.

Fluid Meaning

/ˈfluːɪd/

Definition, CEFR level C1, pronunciation, examples, and quiz.

Definition

nounAny substance which can flow with relative ease, tends to assume the shape of its container, and obeys Bernoulli's principle; a liquid, gas or plasma.

nounA liquid (as opposed to a solid or gas).

Sentence Examples

This fluid can be substituted for glue.

The plans are still fluid.

Language in particular is the most fluid of mediums.

Synonyms & Antonyms

Synonyms:

liquid smooth unstable

Antonyms:

solid gaseous

CEFR Practice Quiz

The dancer's movements were incredibly ____, flowing smoothly from one pose to the next.

CEFR Practice Quiz (Alternate)

The situation remains ____, so we need to be prepared for any sudden changes in plans.

Word Origin & History

Etymology tree Proto-Indo-European *bʰel-der. Proto-Indo-European *bʰlewH-der. Proto-Indo-European *bʰluH-yé-ti? Latin fluō Proto-Indo-European *dʰeh₁-der. Proto-Italic *-iðos Latin -idus Latin fluidusder. Middle English fluid English fluid From Middle English fluid, from Latin fluidus (“flowing; fluid”), from Latin fluō (“to flow”), from Proto-Indo-European *bʰleh₁- (“to swell; surge; overflow; run”). Akin to Ancient Greek φλύειν (phlúein, “to swell; overflow”). Not related to English flow, which is a native, inherited word from *plew-, but is distantly related from English bleat.

Literary Quotations & Historical Citations

"An extreme version of vorticity is a vortex. The vortex is a spinning, cyclonic mass of fluid, which can be observed in the rotation of water going down a drain, as well as in smoke rings, tornados and hurricanes." — 2013 March 26, Frank Fish, George Lauder, “Not Just Going with the Flow”, in American Scientist, volume 101, number 2, archived from the original on 01 May 2013, page 114:

"fluid inclusion Petrology, a tiny fluid- or gas-filled cavity in an igneous rock. 1-100 micrometers in diameter, formed by the entrapment of a fluid, typically that from which the rock crystallized." — 1992, Christopher G. Morris, Academic Press, Christopher W. Morris, Academic Press Dictionary of Science and Technology, Gulf Professional Publishing, →ISBN, page 854:

"The Doctor: Get a good night's sleep and drink plenty of fluids. / Kes: Fluids? / The Doctor: Everybody should drink plenty of fluids." — 1995, David Kemper, Michael Piller, “Time and Again”, in Star Trek: Voyager, season 1, episode 4, spoken by The Doctor and Kes (Robert Picardo and Jennifer Lien):

"For studying interfaces between solid and another solid, fluid, or gas, a sample can be oriented with its reflecting surface(s) vertical (and with the scattering plane, as defined by nominal incident and reflected wavevectors, horizontal)." — 2006, Jörg Fitter, Thomas Gutberlet, Neutron Scattering in Biology: Techniques and Applications, Springer Science & Business Media, →ISBN, page 236:

"Tenderness: is the lump tender? Composition: is the mass solid, fluid or gas?" — 2011, Andrew T Raftery, Michael S. Delbridge, Marcus J. D. Wagstaff, Churchill's Pocketbook of Surgery, International Edition E-Book, Elsevier Health Sciences, →ISBN, page 11:

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