flatness

1. 1.

   the property of having two dimensions

   Synonymstwo-dimensionalityplaneness

   Broaderdimensionality
2. 2.

   a want of animation or brilliance

   “the almost self-conscious flatness of Hemingway's style”

   Broaderexpressive style
3. 3.

   a deficiency in flavor

   “it needed lemon juice to sharpen the flatness of the dried lentils”

   Broadertaste
4. 4.

   the property of having little or no contrast; lacking highlights or gloss

   Synonymslusterlessnesslustrelessnessmatmattmatte

   Broaderdullness
5. 5.

   inactivity; showing an unusual lack of energy

   “the general appearance of sluggishness alarmed his friends”

   Synonymslanguorlethargysluggishnessphlegm

   Broaderinactiveness

Other forms of flatness

plural

flatnesses·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about flatness

What does flatness mean?

flatness means "the property of having two dimensions". That is the primary sense; the word has 5 in total, listed in full on this page.

How many syllables are in flatness?

flatness has 2 syllables: flat-ness. The stress falls on "flat". In IPA it is /ˈflætnəs/.

What is another word for flatness?

Close synonyms include two-dimensionality, planeness, lusterlessness, lustrelessness, mat. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is flatness a common word?

flatness is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.