from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The state of being flat
  • n. The state of being two-dimensional; planar : planarity
  • n. The state of being bland : dullness
  • n. 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
  • n. Lack of bouquet and freshness of a wine, through too much aeration or infection with film yeasts
  • n. Sometimes used as a synonym for slim-tailedness or platykurticity

from the GNU version of the Collaborative International Dictionary of English

  • n. The quality or state of being flat.
  • n. Eveness of surface; want of relief or prominence; the state of being plane or level.
  • n. Want of vivacity or spirit; prostration; dejection; depression.
  • n. Want of variety or flavor; dullness; insipidity.
  • n. Depression of tone; the state of being below the true pitch; -- opposed to sharpness or acuteness.

from The Century Dictionary and Cyclopedia

  • n. The state or quality of being flat.
  • n. Graveness of sound, as opposed to sharpness, acuteness, or shrillness.
  • n. Absoluteness; completeness.
  • n. In music, the quality or state of being below a true or given pitch.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. inactivity; showing an unusual lack of energy
  • n. the property of having little or no contrast; lacking highlights or gloss
  • n. a want of animation or brilliance
  • n. a deficiency in flavor
  • n. the property of having two dimensions


flat +‎ -ness (Wiktionary)



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