| Noun | 1. | flat - a level tract of landchampaign, plain, field - extensive tract of level open land; "they emerged from the woods onto a vast open plain"; "he longed for the fields of his youth" | |
| 2. | flat - a shallow box in which seedlings are startedbox - a (usually rectangular) container; may have a lid; "he rummaged through a box of spare parts" | |
| 3. | flat - a musical notation indicating one half step lower than the note nameddouble flat - a musical notation of two flats in front of a note indicating that it is to be lowered by two semitones | |
| 4. | flat - freight car without permanent sides or roof | |
| 5. | flat - a deflated pneumatic tire | |
| 6. | flat - scenery consisting of a wooden frame covered with painted canvas; part of a stage settingscenery, scene - the painted structures of a stage set that are intended to suggest a particular locale; "they worked all night painting the scenery" | |
| 7. | flat - a suite of rooms usually on one floor of an apartment housemaisonette, maisonnette - a self-contained apartment (usually on two floors) in a larger house and with its own entrance from the outside penthouse - an apartment located on the top floors of a building railroad flat - an apartment whose rooms are all in a line with doors between them rooms, suite - apartment consisting of a series of connected rooms used as a living unit (as in a hotel) | |
| Adj. | 1. | flat - having a horizontal surface in which no part is higher or lower than another; "a flat desk"; "acres of level farmland"; "a plane surface"even - being level or straight or regular and without variation as e.g. in shape or texture; or being in the same plane or at the same height as something else (i.e. even with); "an even application of varnish"; "an even floor"; "the road was not very even"; "the picture is even with the window" | |
| 2. | flat - having no depth or thickness | |
| 3. | flat - not modified or restricted by reservations; "a categorical denial"; "a flat refusal"unqualified - not limited or restricted; "an unqualified denial" | |
| 4. | flat - stretched out and lying at full length along the ground; "found himself lying flat on the floor"unerect - not upright in position or posture | |
| 5. | flat - lacking contrast or shading between tonescontrasty - having sharp differences between black and white | |
| 6. | flat - lowered in pitch by one chromatic semitone; "B flat"music - an artistic form of auditory communication incorporating instrumental or vocal tones in a structured and continuous manner natural - of a key containing no sharps or flats; "B natural" sharp - raised in pitch by one chromatic semitone; "C sharp" | |
| 7. | flat - flattened laterally along the whole length (e.g., certain leafstalks or flatfishes)thin - of relatively small extent from one surface to the opposite or in cross section; "thin wire"; "a thin chiffon blouse"; "a thin book"; "a thin layer of paint" | |
| 8. | flat - lacking taste or flavor or tang; "a bland diet"; "insipid hospital food"; "flavorless supermarket tomatoes"; "vapid beer"; "vapid tea" | |
| 9. | flat - lacking stimulating characteristics; uninteresting; "a bland little drama"; "a flat joke" | |
| 10. | flat - having lost effervescence; "flat beer"; "a flat cola" | |
| 11. | flat - not increasing as the amount taxed increasesregressive - (of taxes) adjusted so that the rate decreases as the amount increases | |
| 12. | flat - not made with leavening; "most flat breads are made from unleavened dough"unleavened - made without leavening; "unleavened bread is often simply flour mixed with water" | |
| 13. | flat - parallel to the ground; "a flat roof"horizontal - parallel to or in the plane of the horizon or a base line; "a horizontal surface" | |
| 14. | flat - without pleatsunfolded - spread or opened out; "an unfolded newspaper"; "unfolded wings" | |
| 15. | flat - lacking the expected range or depth; not designed to give an illusion or depth; "a film with two-dimensional characters"; "a flat two-dimensional painting"multidimensional - having or involving or marked by several dimensions or aspects; "multidimensional problems"; "a multidimensional proposition"; "a multidimensional personality" | |
| 16. | flat - (of a tire) completely or partially deflateddeflated - collapsed through the release of gas or air | |
| 17. | flat - not reflecting light; not glossy; "flat wall paint"; "a photograph with a matte finish"dull - emitting or reflecting very little light; "a dull glow"; "dull silver badly in need of a polish"; "a dull sky" | |
| 18. | flat - lacking variety in shading; "a flat unshaded painting"unshaded - (of pictures) not having shadow represented; "unshaded drawings resembling cartoons" | |
| Adv. | 1. | flat - at full length; "he fell flat on his face" | |
| 2. | flat - with flat sails; "sail flat against the wind" | |
| 3. | flat - below the proper pitch; "she sang flat last night" | |
| 4. | flat - against a flat surface; "he lay flat on his back" | |
| 5. | flat - in a forthright manner; candidly or frankly; "he didn't answer directly"; "told me straight out"; "came out flat for less work and more pay" | |
| 6. | flat - wholly or completely; "He is flat broke" | |