flatness (n.)the property of having two dimensions;
flatness (n.)a want of animation or brilliance;
the almost self-conscious flatness of Hemingway's style
flatness (n.)a deficiency in flavor;
it needed lemon juice to sharpen the flatness of the dried lentils
flatness (n.)the property of having little or no contrast; lacking highlights or gloss;
Synonyms: lusterlessness /
lustrelessness /
mat /
matt /
matte flatness (n.)inactivity; showing an unusual lack of energy;