Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun flatness

5 senses of flatness

Sense 1
two-dimensionality, flatness, planeness -- (the property of having two dimensions)
       => dimensionality -- (the spatial property of having dimensions; "all matter has dimensionality")

Sense 2
flatness -- (a want of animation or brilliance; "the almost self-conscious flatness of Hemingway's style")
       => expressive style, style -- (a way of expressing something (in language or art or music etc.) that is characteristic of a particular person or group of people or period; "all the reporters were expected to adopt the style of the newspaper")

Sense 3
flatness -- (a deficiency in flavor; "it needed lemon juice to sharpen the flatness of the dried lentils")
       => taste, taste sensation, gustatory sensation, taste perception, gustatory perception -- (the sensation that results when taste buds in the tongue and throat convey information about the chemical composition of a soluble stimulus; "the candy left him with a bad taste"; "the melon had a delicious taste")

Sense 4
flatness, lusterlessness, lustrelessness, mat, matt, matte -- (the property of having little or no contrast; lacking highlights or gloss)
       => dullness -- (a lack of visual brightness; "the brightness of the orange sky was reflected in the dullness of the orange sea")

Sense 5
languor, lethargy, sluggishness, phlegm, flatness -- (inactivity; showing an unusual lack of energy; "the general appearance of sluggishness alarmed his friends")
       => inactiveness, inactivity, inertia -- (a disposition to remain inactive or inert; "he had to overcome his inertia and get back to work")