flatness

flat´ness

n.	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; insipidity.
	5.	Depression of tone; the state of being below the true pitch; - opposed to sharpness or acuteness.

Noun	1.	flatness - the property of having two dimensions Synonyms: planeness, two-dimensionality
	2.	flatness - the property of having little or no contrast; lacking highlights or gloss Synonyms: lusterlessness, lustrelessness, matt, matte, mat