Definition of Flat

1. Noun. A level tract of land. "The salt flats of Utah"

Specialized synonyms: Alluvial Flat, Alluvial Plain, Salt Flat, Salt Plain
Generic synonyms: Champaign, Field, Plain

2. Adjective. Having a surface without slope, tilt in which no part is higher or lower than another. "Skirts sewn with fine flat seams"
Exact synonyms: Level, Plane
Similar to: Even
Derivative terms: Flatness, Plane, Planeness

3. Adverb. With flat sails. "Sail flat against the wind"

4. Noun. A shallow box in which seedlings are started.
Generic synonyms: Box

5. Adjective. Having a relatively broad surface in relation to depth or thickness. "Flat computer monitors"
Similar to: Planar, Two-dimensional
Derivative terms: Flatness

6. Adverb. In a forthright manner; candidly or frankly. "Came out flat for less work and more pay"
Exact synonyms: Directly, Straight
Partainyms: Direct
Antonyms: Indirectly

7. Noun. A musical notation indicating one half step lower than the note named.
Generic synonyms: Musical Notation
Specialized synonyms: Double Flat

8. Adjective. Not modified or restricted by reservations. "A flat refusal"
Exact synonyms: Categoric, Categorical, Unconditional
Similar to: Unqualified

9. Noun. Freight car without permanent sides or roof.
Exact synonyms: Flatbed, Flatcar
Generic synonyms: Freight Car

10. Adjective. Stretched out and lying at full length along the ground. "Found himself lying flat on the floor"
Exact synonyms: Prostrate
Similar to: Unerect

11. Noun. A deflated pneumatic tire.
Exact synonyms: Flat Tire
Generic synonyms: Pneumatic Tire, Pneumatic Tyre

12. Adjective. Lacking contrast or shading between tones.
Category relationships: Photography, Picture Taking
Antonyms: Contrasty
Derivative terms: Flatness

13. Noun. Scenery consisting of a wooden frame covered with painted canvas; part of a stage setting.
Specialized synonyms: Coulisse, Wing Flat, Teaser, Tormenter, Tormentor
Group relationships: Mise En Scene, Setting, Stage Setting
Generic synonyms: Scene, Scenery

14. Adjective. (of a musical note) lowered in pitch by one chromatic semitone. "B flat"
Category relationships: Music
Antonyms: Natural, Sharp

15. Noun. A suite of rooms usually on one floor of an apartment house.

16. Adjective. Flattened laterally along the whole length (e.g., certain leafstalks or flatfishes).
Exact synonyms: Compressed
Category relationships: Biological Science, Biology
Similar to: Thin
Derivative terms: Flatness

17. Adjective. Lacking taste or flavor or tang. "Vapid tea"

18. Adjective. Lacking stimulating characteristics; uninteresting. "A flat joke"
Exact synonyms: Bland
Similar to: Unexciting, Unstimulating
Derivative terms: Flatness

19. Adjective. Having lost effervescence. "A flat cola"
Similar to: Noneffervescent

20. Adjective. Sounded or spoken in a tone unvarying in pitch. "The owl's faint monotonous hooting"
Exact synonyms: Monotone, Monotonic, Monotonous
Similar to: Unmodulated
Derivative terms: Flatness, Monotone, Monotone, Monotone

21. Adjective. Horizontally level. "A flat roof"
Similar to: Horizontal

22. Adjective. Lacking the expected range or depth; not designed to give an illusion or depth. "A flat two-dimensional painting"
Exact synonyms: 2-dimensional, Two-dimensional
Similar to: Multidimensional
Derivative terms: Flatness

23. Adjective. Not reflecting light; not glossy. "A photograph with a matte finish"
Exact synonyms: Mat, Matt, Matte, Matted
Similar to: Dull
Derivative terms: Flatness, Matt, Matte

24. Adjective. Commercially inactive. "A flat market"
Similar to: Inactive

Definition of Flat

1. a. Having an even and horizontal surface, or nearly so, without prominences or depressions; level without inclination; plane.

2. adv. In a flat manner; directly; flatly.

3. n. A level surface, without elevation, relief, or prominences; an extended plain; specifically, in the United States, a level tract along the along the banks of a river; as, the Mohawk Flats.

4. v. t. To make flat; to flatten; to level.

5. v. i. To become flat, or flattened; to sink or fall to an even surface.

6. a. Having a head at a very obtuse angle to the shaft; -- said of a club.

Definition of Flat

1. Adjective. Having no variations in altitude. ¹

2. Adjective. (context: of a tire or other inflated object) Deflated, especially because of a puncture. ¹

3. Adjective. (music note) Lowered by one semitone. ¹

4. Adjective. (music) Of a note or voice, lower in pitch than it should be. ¹

5. Adjective. (music voice) Without variations in pitch. ¹

6. Adjective. Of a carbonated drink, with all or most of its carbon dioxide having come out of solution so that the drink no longer fizzes or contains any bubbles. ¹

7. Adjective. Uninteresting. ¹

8. Adjective. (context: wine) Lacking acidity without being sweet. ¹

9. Adjective. Absolute. ¹

10. Adjective. (slang) Describing certain features, usually the breasts or buttocks, that are extremely small or not visible at all. ¹

11. Adjective. (context: of a battery) Unable to generate power; dead. ¹

12. Adjective. (juggling of a throw) without spin; spinless. ¹

13. Adverb. So as to be flat. ¹

14. Adverb. Bluntly. ¹

15. Adverb. (qualifier with units of time, distance, etc) Not exceeding. ¹

16. Adverb. Completely. ¹

17. Noun. An area of level ground. ¹

18. Noun. (music) A note played a semitone lower than a natural, denoted by the symbol ? sign placed after the letter representing the note (''e.g.'', B?) or in front of the note symbol (''e.g.'' ??). ¹

19. Noun. (informal automotive) A flat tyre/tire. ¹

20. Noun. (in the plural) A type of ladies' shoes with very low heels. ¹

21. Noun. (context: painting) A thin, broad brush used in oil and watercolor/watercolour painting. ¹

22. Noun. The flat part of something: ¹

23. Noun. A wide, shallow container. ¹

24. Verb. (poker slang) To make a flat call; to call without raising. ¹

25. Noun. (Commonwealth) An apartment. ¹

¹ Source:

Definition of Flat

1. having a smooth or even surface [adj FLATTER, FLATTEST] / to flatten [v FLATTED, FLATTING, FLATS] - See also: flatten

Medical Definition of Flat

1. 1. Having an even and horizontal surface, or nearly so, without prominences or depressions; level without inclination; plane. "Though sun and moon Were in the flat sea sunk." (Milton) 2. Lying at full length, or spread out, upon the ground; level with the ground or earth; prostrate; as, to lie flat on the ground; hence, fallen; laid low; ruined; destroyed. "What ruins kingdoms, and lays cities flat!" (Milton) "I feel . . . My hopes all flat." (Milton) 3. Wanting relief; destitute of variety; without points of prominence and striking interest. "A large part of the work is, to me, very flat." (Coleridge) 4. Tasteless; stale; vapid; insipid; dead; as, fruit or drink flat to the taste. 5. Unanimated; dull; uninteresting; without point or spirit; monotonous; as, a flat speech or composition. "How weary, stale, flat, and unprofitable Seem to me all the uses of this world." (Shak) 6. Lacking liveliness of commercial exchange and dealings; depressed; dull; as, the market is flat. 7. Clear; unmistakable; peremptory; absolute; positive; downright. "Flat burglary as ever was committed." (Shak) "A great tobacco taker too, that's flat." (Marston) 8. Below the true pitch; hence, as applied to intervals, minor, or lower by a half step; as, a flat seventh; A flat. Not sharp or shrill; not acute; as, a flat sound. 9. Sonant; vocal; applied to any one of the sonant or vocal consonants, as distinguished from a nonsonant (or sharp) consonant. Flat arch. A coat of water colour of one uniform shade. To fall flat, to produce no effect; to fail in the intended effect; as, his speech fell flat. "Of all who fell by saber or by shot, Not one fell half so flat as Walter Scott." (Lord Erskine) Origin: Akin to Icel. Flatr, Sw. Flat, Dan. Flad, OHG. Flaz, and AS. Flet floor, G. Flotz stratum, layer. 1. A level surface, without elevation, relief, or prominences; an extended plain; specifically, in the United States, a level tract along the along the banks of a river; as, the Mohawk Flats. "Envy is as the sunbeams that beat hotter upon a bank, or steep rising ground, than upon a flat." (Bacon) 2. A level tract lying at little depth below the surface of water, or alternately covered and left bare by the tide; a shoal; a shallow; a strand. "Half my power, this night Passing these flats, are taken by the tide." (Shak) 3. Something broad and flat in form; as: A flat-bottomed boat, without keel, and of small draught. A straw hat, broad-brimmed and low-crowned. A car without a roof, the body of which is a platform without sides; a platform car. A platform on wheel, upon which emblematic designs, etc, are carried in processions. 4. The flat part, or side, of anything; as, the broad side of a blade, as distinguished from its edge. 5. A floor, loft, or story in a building; especially, a floor of a house, which forms a complete residence in itself. 6. A horizontal vein or ore deposit auxiliary to a main vein; also, any horizontal portion of a vein not elsewhere horizontal. 7. A dull fellow; a simpleton; a numskull. "Or if you can not make a speech, Because you are a flat." (Holmes) 8. A character [ A homaloid space or extension. Source: Websters Dictionary (01 Mar 1998)

Flat Pictures

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Lexicographical Neighbors of Flat

flask closure
flat (current term)
flat-coated retriever
flat-headed cat
flat-headed cats
flat-leaf parsley

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