SINCE 1828
fluid
adjective
flu·id
| \ ˈflü-əd
\
\
Definition of fluid
(Entry 1 of 2)
1a
: having particles that easily move and change their relative position without a separation of the mass and that easily yield to pressure : capable of flowing
a long screw that forces the fluid chocolate through fine openings — Technical Survey
b
: subject to change or movement
boundaries became fluid
2
: characterized by or employing a smooth easy style
the ballerina's fluid movements fluid recitation of his lines
3a
: available for various uses
a fluid computer program
b
: liquid sense 4
fluid assets
fluid
nounDefinition of fluid (Entry 2 of 2)
: a substance (such as a liquid or gas) tending to flow or conform to the outline of its container
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Other Words from fluid
Adjective
fluidly
adverb
fluidness
noun
Noun
fluidal
\ ˈflü-ə-dᵊl
\
adjective
\
adjective
fluidally
\ ˈflü-ə-dᵊl-ē
\
adverb
\
adverb
fluidlike
\ ˈflü-ə-dᵊl-ˌlīk
\
adjective
\
adjective
Examples of fluid in a Sentence
Adjective
a substance in a fluid state warm the jam until it is fluid, then spread it over the cakeNoun
Please check the fluids in the car's engine. She needs to drink plenty of fluids. Fluid leaked from the car's engine. a bottle of yellow fluid
Recent Examples on the Web: Adjective
Though Riley Greene, the team’s No. 5 pick this past spring, possesses easy power and a fluid and promising swing. — Shawn Windsor, Detroit Free Press, "Tigers owner asks for more patience. It's getting harder to accommodate him | Opinion," 5 July 2019 Multiple sources say the process is fluid and several other names are also being considered. — Fin Gomez, CBS News, "White House eyes candidates to replace Sarah Sanders," 14 June 2019 And this is a very fluid and fast-moving environment. — Kathleen Gray, Detroit Free Press, "In the Upper Peninsula, weed is a lonely pursuit for its one and only dispensary," 10 June 2019 Until that first Pulitzer, Wilson — a fluid and elegant writer — had mostly published for the academy. — Quanta Magazine, "In Ecology Studies and Selfless Ants, He Finds Hope for the Future," 15 May 2019 The source said that situation remains fluid, but Cutting is expected to be on hand when training camp begins in late July. — Chris Tomasson, Twin Cities, "Vikings long snapper Kevin McDermott calls competition with rookie Austin Cutting ‘a good thing’," 10 June 2019 The situation is fluid, as most roster decisions are. — San Diego Union-Tribune, "Padres notes: Naylor makes case to stay in majors; Machado’s ‘bittersweet’ move," 7 June 2019 Hunter is functionally strong, but not extremely fluid or explosive, and lacks natural instincts as a scorer playing off the dribble. — Jeremy Woo, SI.com, "2019 NBA Draft Big Board 7.0: Top 100 Prospect Rankings," 5 June 2019 The front of the dress is quite pure and fluid, while the back of the dress is more dramatic—the skirt fans out into a long train. — Leena Kim, Town & Country, "Designer Luisa Beccaria Reveals What It Was Really Like to Make Lady Gabriella Windsor's Wedding Dress," 18 May 2019Recent Examples on the Web: Noun
In nature, using air as the fluid, lotus leaves and insect cuticles are both famously good at superhydrophobicity. — The Economist, "How to make a better raincoat with tiny “water bowls”," 4 July 2019 The pace is quick and the writing fluid, although at times sentences ring flat, as if missing a beat or a bit of evocative imagery. — Jeffrey Fleishman, latimes.com, "Malin Persson Giolito looks for elusive justice in thriller ‘Beyond All Reasonable Doubt’," 3 July 2019 The chances continued to mount for Mourinho's men and Arsenal struggled to cope with the fluid passing from the United midfield. — SI.com, "Marouane Fellaini Strikes to Ruin Arsene Wenger's Last Trip to Old Trafford," 29 Apr. 2018 The researchers analyzed the fluids from each patient to infer the most likely cause of their pneumonia from a list of 30 pathogens. — Alex Fox, Science | AAAS, "Viruses—not bacteria—cause most childhood pneumonia," 27 June 2019 The researchers then sent the fluid in which the embryos grew, plus the embryos themselves, to be sequenced. — Daniela Hernandez, WSJ, "New Noninvasive Genetic Tests for IVF Embryos Are in Development," 24 June 2019 The green flames can be attributed to the fluid that the BE-7 uses to start the ignition of the engine. — Loren Grush, The Verge, "Blue Origin fires up the engine of its future Moon lander for the first time," 20 June 2019 That makes the soft-bodied robot a perfect match for the fluid used in flow batteries. — John Timmer, Ars Technica, "Researchers make a robotic fish with a battery for blood," 19 June 2019 The fluid, ad hoc nature of the movement was evident Monday, as hundreds of youths lingered near Lam’s office building. — Washington Post, "Hong Kong opposition movement largely without leaders," 18 June 2019These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fluid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for fluid
fluid
adjective
English Language Learners Definition of fluid
(Entry 1 of 2)
: capable of flowing freely like water
—used to describe something that can change easily or that changes often
: having or showing a smooth and easy style
fluid
nounEnglish Language Learners Definition of fluid (Entry 2 of 2)
: a substance that is able to flow freely : a liquid substance
See the full definition for fluid in the English Language Learners Dictionary
fluid
adjective
flu·id
| \ ˈflü-əd
\
\
Kids Definition of fluid
(Entry 1 of 2)
1
: capable of flowing like a liquid or gas
fluid lava
2
: having a graceful or flowing style or appearance
a dancer's fluid movement
fluid
nounKids Definition of fluid (Entry 2 of 2)
: something that tends to flow and take the shape of its container
fluid
adjective
flu·id
| \ ˈflü-əd
\
\
Medical Definition of fluid
(Entry 1 of 2)
: having particles that easily move and change their relative position without a separation of the mass and that easily yield to pressure : capable of flowing
fluid
nounMedical Definition of fluid (Entry 2 of 2)
: a substance (as a liquid or gas) tending to flow or conform to the outline of its container
specifically
: one in the body of an animal or plant — see cerebrospinal fluid, seminal fluid
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