Flatness

//ˈflætnəs// noun

noun ·Moderate ·College level

Definitions

Noun
  1. 1
    The state of being flat countable, uncountable

    "The flatness of the landscape facilitates views right across the Firth of Forth to Fife, before the railway begins to pierce the Edinburgh suburbs."

  2. 2
    inactivity; showing an unusual lack of energy wordnet
  3. 3
    The state of being two-dimensional; planar : planarity countable, uncountable
  4. 4
    the property of having little or no contrast; lacking highlights or gloss wordnet
  5. 5
    The state of being bland : dullness countable, uncountable
Show 6 more definitions
  1. 6
    the property of having two dimensions wordnet
  2. 7
    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 countable, uncountable
  3. 8
    a deficiency in flavor wordnet
  4. 9
    Lack of bouquet and freshness of a wine, through too much aeration or infection with film yeasts countable, uncountable
  5. 10
    a want of animation or brilliance wordnet
  6. 11
    slim-tailedness or platykurtosis. countable, uncountable

Synonyms

All synonyms
angstanguishanxietyblahsboredomcacophony

Example

More examples

"The flatness of her voice warned me that something was wrong."

Etymology

From Middle English flatnesse, equivalent to flat + -ness.

Related phrases

noetic flatnessslim tailednesstwo dimensional

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.