What does flatness mean?

Definitions for flatness

This dictionary definitions page includes all the possible meanings, example usage and translations of the word flatness.

Princeton's WordNet

  1. two-dimensionality, flatness, planenessnoun

    the property of having two dimensions

  2. flatnessnoun

    a want of animation or brilliance

    "the almost self-conscious flatness of Hemingway's style"

  3. flatnessnoun

    a deficiency in flavor

    "it needed lemon juice to sharpen the flatness of the dried lentils"

  4. flatness, lusterlessness, lustrelessness, mat, matt, mattenoun

    the property of having little or no contrast; lacking highlights or gloss

  5. languor, lethargy, sluggishness, phlegm, flatnessnoun

    inactivity; showing an unusual lack of energy

    "the general appearance of sluggishness alarmed his friends"


  1. flatnessnoun

    The state of being flat

  2. flatnessnoun

    The state of being two-dimensional; planar : planarity

  3. flatnessnoun

    The state of being bland : dullness

  4. flatnessnoun

    Mattness, the quality of a painted surface which scatters or absorbs the light falling on it, so as to be substantially free from gloss or sheen

  5. flatnessnoun

    Lack of bouquet and freshness of a wine, through too much aeration or infection with film yeasts

  6. flatnessnoun

    Sometimes used as a synonym for slim-tailedness or platykurticity

Samuel Johnson's Dictionary

  1. Flatnessnoun

    Etymology: from flat.

    It appears so very plain and uniform, that one would think the coiner looked on the flatness of a figure, as one of the greatest beauties in sculpture. Joseph Addison, on ancient Medals.

    Deadness or flatness in cyder is often occasioned by the too free admission of air into the vessel. John Mortimer, Husbandry.

    The emperor of Russia was my father:
    Oh, that he were alive, and here beholding
    His daughter’s trial! that he did but see
    The flatness of my misery! William Shakespeare, Winter’s Tale.

    How fast does obscurity, flatness, and impertinency flow in upon our meditations? ’Tis a difficult task to talk to the purpose, and to put life and perspicuity into our discourses. Collier.

    Some of ’s translators have swelled into fustian, and others sunk into flatness. Alexander Pope, Homer. Preface to.

    Take two saucers, and strike the edge of the one against the bottom of the other within a pail of water, and you shall find the sound groweth more flat, even while part of the saucer is above the water; but that flatness of sound is joined with a harshness. Francis Bacon, Natural History, №. 157.


  1. flatness

    Flatness refers to the property of a surface or an object that conforms to a plane with minimum irregularities or curvature. It is also a measure of uniformity or smoothness of a surface. In mathematics, it can refer to a concept related to properties of mathematical objects having no variations or levels. It is also used in physics, material science, and engineering to describe the leveling, smoothness, or lack of three-dimensional characteristics in an object or surface.

Webster Dictionary

  1. Flatnessnoun

    the quality or state of being flat

  2. Flatnessnoun

    eveness of surface; want of relief or prominence; the state of being plane or level

  3. Flatnessnoun

    want of vivacity or spirit; prostration; dejection; depression

  4. Flatnessnoun

    want of variety or flavor; dullness; insipidity

  5. Flatnessnoun

    depression of tone; the state of being below the true pitch; -- opposed to sharpness or acuteness

Surnames Frequency by Census Records


    According to the U.S. Census Bureau, Flatness is ranked #71478 in terms of the most common surnames in America.

    The Flatness surname appeared 273 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 0 would have the surname Flatness.

    95.2% or 260 total occurrences were White.
    2.5% or 7 total occurrences were of two or more races.

How to pronounce flatness?

How to say flatness in sign language?


  1. Chaldean Numerology

    The numerical value of flatness in Chaldean Numerology is: 5

  2. Pythagorean Numerology

    The numerical value of flatness in Pythagorean Numerology is: 6

Popularity rank by frequency of use


Translations for flatness

From our Multilingual Translation Dictionary

  • гладкост, отегчителност, планарност, матовостBulgarian
  • Flachheit, EbenheitGerman
  • platitude, planitude, matité, planéité, goût de l’éventFrench
  • उदासीHindi

Get even more translations for flatness »


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"flatness." Definitions.net. STANDS4 LLC, 2024. Web. 19 May 2024. <https://www.definitions.net/definition/flatness>.

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