What does fluid mean?

Definitions for fluid
ˈflu ɪdflu·id

Here are all the possible meanings and translations of the word fluid.

Princeton's WordNet

  1. fluid(noun)

    a substance that is fluid at room temperature and pressure

  2. fluid(adj)

    continuous amorphous matter that tends to flow and to conform to the outline of its container: a liquid or a gas

  3. fluid, unstable(adj)

    subject to change; variable

    "a fluid situation fraught with uncertainty"; "everything was unstable following the coup"

  4. fluid, runny(adj)

    characteristic of a fluid; capable of flowing and easily changing shape

  5. fluent, fluid, liquid, smooth(adj)

    smooth and unconstrained in movement

    "a long, smooth stride"; "the fluid motion of a cat"; "the liquid grace of a ballerina"

  6. fluid, liquid(adj)

    in cash or easily convertible to cash

    "liquid (or fluid) assets"

  7. fluid, mobile(adj)

    affording change (especially in social status)

    "Britain is not a truly fluid society"; "upwardly mobile"


  1. fluid(Noun)

    Any 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

  2. fluid(Adjective)

    Of, or relating to fluid.

  3. fluid(Adjective)

    In a state of flux; subject to change.

  4. fluid(Adjective)

    Moving smoothly, or giving the impression of a liquid in motion.

  5. fluid(Adjective)

    Convertible into cash.

Webster Dictionary

  1. Fluid(adj)

    having particles which easily move and change their relative position without a separation of the mass, and which easily yield to pressure; capable of flowing; liquid or gaseous

  2. Fluid(noun)

    a fluid substance; a body whose particles move easily among themselves

  3. Origin: [L. fluidus, fr. fluere to flow: cf. F. fluide. See Fluent.]


  1. Fluid

    In physics, a fluid is a substance that continually deforms under an applied shear stress. Fluids are a super set of the phases of matter and include liquids, gases, plasmas and, to some extent, plastic solids. Although the term "fluid" includes both the liquid and gas phases, in common usage, "fluid" is often used as a synonym for "liquid", with no implication that gas could also be present. For example, "brake fluid" is hydraulic oil and will not perform its required function if there is gas in it. This colloquial usage of the term is also common in medicine and in nutrition. Liquids form a free surface while gases do not. The distinction between solids and fluid is not entirely obvious. The distinction is made by evaluating the viscosity of the substance. Silly Putty can be considered to behave like a solid or a fluid, depending on the time period over which it is observed. It is best described as a viscoelastic fluid. There are many examples of substances proving difficult to classify. A particularly interesting one is pitch, as demonstrated in the pitch drop experiment currently running at the University of Queensland.

Chambers 20th Century Dictionary

  1. Fluid

    flōō′id, adj. that flows, as water: liquid or gaseous.—n. a substance in which the particles can move about with greater or less freedom from one part of the body to another.—adjs. Flu′idal; Fluid′ic; Fluid′iform.—vs.t. Fluid′ify, Flu′idise, to make fluid.—ns. Flu′idism; Fluid′ity, Flu′idness, a liquid or gaseous state.—adv. Flu′idly. [Fr.,—L. fluidus, fluid—fluĕre, to flow.]


  1. Fluid

    Fluid Inc. " the digital shopping innovator, designs and builds digital shopping experiences that brings brands to life, making the shopping experience fun, vivid, intuitive and social. In addition to design and development services, Fluid™s offering includes the Fluid Retail interactive merchandising suite which enables engaging customer experiences that drive conversion, customer satisfaction, and brand loyalty. Fluid™s customers range from mass-market retailers to luxury goods manufacturers, and include top brands such as: Sears, Benefit Cosmetics, Elie Tahari, Diapers.com, Nine West, Reebok, The North Face, and Vans. For more information, visit www.fluid.com, and follow us on Twitter @Fluid or Facebook FluidInc.

British National Corpus

  1. Nouns Frequency

    Rank popularity for the word 'fluid' in Nouns Frequency: #1917


  1. Chaldean Numerology

    The numerical value of fluid in Chaldean Numerology is: 4

  2. Pythagorean Numerology

    The numerical value of fluid in Pythagorean Numerology is: 7

Examples of fluid in a Sentence

  1. Janet Morris:

    Time is so...fluid where I live

  2. Amanda Ladd:

    It's very slow, very precise, very fluid.

  3. Todd Geiler:

    This is such a fluid situation, going hour to hour.

  4. Andrea Braverman:

    This is a fluid decision. It is not a one-and-done.

  5. Manual Braga da Cruz:

    But the situation is fluid, unstable and could evolve.

Images & Illustrations of fluid

  1. fluidfluidfluid

Popularity rank by frequency of use


Translations for fluid

From our Multilingual Translation Dictionary

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"fluid." Definitions.net. STANDS4 LLC, 2019. Web. 21 Apr. 2019. <https://www.definitions.net/definition/fluid>.

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