English dictionary

Info: This web site is based on WordNet 3.0 from Princeton University.

English adjective: flat

1. flat having a surface without slope, tilt in which no part is higher or lower than another

SamplesA flat desk.
Acres of level farmland.
A plane surface.
Skirts sewn with fine flat seams.

Synonymslevel, plane



2. flat having a relatively broad surface in relation to depth or thickness

SamplesFlat computer monitors.

Similarplanar, two-dimensional

Antonymscubic, linear, one-dimensional, three-dimensional

3. flat not modified or restricted by reservations

SamplesA categorical denial.
A flat refusal.

Synonymscategoric, categorical, unconditional



4. flat stretched out and lying at full length along the ground

SamplesFound himself lying flat on the floor.



Antonymserect, upright, vertical

5. flat lacking contrast or shading between tones

Domain categoryphotography, picture taking


6. flat (of a musical note) lowered in pitch by one chromatic semitone

SamplesB flat.

Domain categorymusic

Antonymsnatural, sharp

7. flat flattened laterally along the whole length (e.g., certain leafstalks or flatfishes)



Domain categorybiological science, biology


8. flat lacking taste or flavor or tang

SamplesA bland diet.
Insipid hospital food.
Flavorless supermarket tomatoes.
Vapid beer.
Vapid tea.

Synonymsbland, flavorless, flavourless, insipid, savorless, savourless, vapid



9. flat lacking stimulating characteristics; uninteresting

SamplesA bland little drama.
A flat joke.


Similarunexciting, unstimulating


10. flat having lost effervescence

SamplesFlat beer.
A flat cola.



11. flat sounded or spoken in a tone unvarying in pitch

SamplesThe owl's faint monotonous hooting.

Synonymsmonotone, monotonic, monotonous



12. flat horizontally level

SamplesA flat roof.


Antonymsvertical, inclined, perpendicular

13. flat lacking the expected range or depth; not designed to give an illusion or depth

SamplesA film with two-dimensional characters.
A flat two-dimensional painting.

Synonyms2-dimensional, two-dimensional


Antonymsone-dimensional, unidimensional

14. flat not reflecting light; not glossy

SamplesFlat wall paint.
A photograph with a matte finish.

Synonymsmat, matt, matte, matted



15. flat commercially inactive

SamplesFlat sales for the month.
Prices remained flat.
A flat market.



English noun: flat

1. flat (object) a level tract of land

SamplesThe salt flats of Utah.

Broader (hypernym)champaign, field, plain

Narrower (hyponym)alluvial flat, alluvial plain, salt flat, salt plain

2. flat (artifact) a shallow box in which seedlings are started

Broader (hypernym)box

3. flat (communication) a musical notation indicating one half step lower than the note named

Broader (hypernym)musical notation

Narrower (hyponym)double flat

4. flat (artifact) freight car without permanent sides or roof

Synonymsflatbed, flatcar

Broader (hypernym)freight car

5. flat (artifact) a deflated pneumatic tire

Synonymsflat tire

Broader (hypernym)pneumatic tire, pneumatic tyre

6. flat (artifact) scenery consisting of a wooden frame covered with painted canvas; part of a stage setting

Broader (hypernym)scene, scenery

Narrower (hyponym)coulisse, teaser, tormenter, tormentor, wing flat

Part meronymmise en scene, setting, stage setting

7. flat (artifact) a suite of rooms usually on one floor of an apartment house


Broader (hypernym)housing, living accommodations, lodging

Narrower (hyponym)bedsit, bedsitter, bedsitting room, cold-water flat, duplex, duplex apartment, efficiency apartment, flatlet, maisonette, maisonnette, penthouse, railroad flat, rooms, studio, studio apartment, suite, walk-up, walk-up apartment

Part holonymkitchenette

Part meronymapartment building, apartment house

English adverb: flat

1. flat with flat sails

SamplesSail flat against the wind.

2. flat in a forthright manner; candidly or frankly

SamplesHe didn't answer directly.
Told me straight out.
Came out flat for less work and more pay.

Synonymsdirectly, straight


Based on WordNet 3.0 copyright © Princeton University.
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