flatness Meaning, Definition & Usage

  1. noun the property of having two dimensions
    two-dimensionality; planeness.
  2. noun a want of animation or brilliance
    • the almost self-conscious flatness of Hemingway's style
  3. noun a deficiency in flavor
    • it needed lemon juice to sharpen the flatness of the dried lentils
  4. noun the property of having little or no contrast; lacking highlights or gloss
    matt; mat; lusterlessness; matte; lustrelessness.
  5. noun inactivity; showing an unusual lack of energy
    languor; phlegm; lethargy; sluggishness.
    • the general appearance of sluggishness alarmed his friends

WordNet

Flat"ness noun
Definitions
  1. The quality or state of being flat.
  2. Eveness of surface; want of relief or prominence; the state of being plane or level.
  3. Want of vivacity or spirit; prostration; dejection; depression.
  4. Want of variety or flavor; dullness; inspidity.
  5. Depression of tone; the state of being below the true pitch; -- opposed to sharpness or acuteness.

Webster 1913