Synonym: apartment, dull, even, horizontal, level, lifeless, off-key, smooth, suite, unmusical. Antonym: bumpy, rough, sharp, uneven. Similar words: inflation, flag, flash, flame, flavor, flare up, flamboyant, late. Meaning: [flæt] 
n. 1. a level tract of land 2. a shallow box in which seedlings are started 3. a musical notation indicating one half step lower than the note named 4. freight car without permanent sides or roof 5. a deflated pneumatic tire 6. scenery consisting of a wooden frame covered with painted canvas; part of a stage setting 7. a suite of rooms usually on one floor of an apartment house. adj. 1. having a surface without slope, tilt in which no part is higher or lower than another 2. having a relatively broad surface in relation to depth or thickness 3. not modified or restricted by reservations 4. stretched out and lying at full length along the ground 5. lacking contrast or shading between tones 6. lowered in pitch by one chromatic semitone 7. flattened laterally along the whole length (e.g., certain leafstalks or flatfishes) 8. lacking taste or flavor or tang 9. lacking stimulating characteristics; uninteresting 10. having lost effervescence 11. (of taxes) not increasing as the amount taxed increases 12. sounded or spoken in a tone unvarying in pitch 13. horizontally level 14. lacking the expected range or depth; not designed to give an illusion or depth 15. (of a tire) completely or partially deflated 16. not reflecting light; not glossy 17. commercially inactive. adv. 1. with flat sails 2. in a forthright manner; candidly or frankly.
n. 1. a level tract of land 2. a shallow box in which seedlings are started 3. a musical notation indicating one half step lower than the note named 4. freight car without permanent sides or roof 5. a deflated pneumatic tire 6. scenery consisting of a wooden frame covered with painted canvas; part of a stage setting 7. a suite of rooms usually on one floor of an apartment house. adj. 1. having a surface without slope, tilt in which no part is higher or lower than another 2. having a relatively broad surface in relation to depth or thickness 3. not modified or restricted by reservations 4. stretched out and lying at full length along the ground 5. lacking contrast or shading between tones 6. lowered in pitch by one chromatic semitone 7. flattened laterally along the whole length (e.g., certain leafstalks or flatfishes) 8. lacking taste or flavor or tang 9. lacking stimulating characteristics; uninteresting 10. having lost effervescence 11. (of taxes) not increasing as the amount taxed increases 12. sounded or spoken in a tone unvarying in pitch 13. horizontally level 14. lacking the expected range or depth; not designed to give an illusion or depth 15. (of a tire) completely or partially deflated 16. not reflecting light; not glossy 17. commercially inactive. adv. 1. with flat sails 2. in a forthright manner; candidly or frankly. 
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151) The ironing board folds flat for easy storage.
152) The flat is located in a modern development.
153) He's asking 80 a month rent for that flat.
154) Mechanical filters draw air through flat, coarse fibres.
155) A flat tire put my bicycle out of commision.
156) The key of E flat major has three flats.
156) Sentencedict.com try its best to gather and create good sentences.
157) I live on my own in a studio flat.
158) The flat had been meticulously cleaned.
159) He gave a flat 'No!' to one reporter's question.
160) I looked out over flat expanses of open farmland.
161) The new flat has ample living space.
162) They live in the next flat.
163) She lives in a specially adapted flat.
164) We've been working flat out to get this done.
165) He was given free lodging in a three-room flat.
166) Chapatis are a kind of flat Indian bread.
167) He ran the 100-metre dash in 10 seconds flat.
168) The boat beached on a mud flat.
169) The countryside is flat and featureless.
170) I'm not going out with you and that's flat!
171) Spear showed him around the flat.
172) The chairs fold flat for storage.
173) You need a flat, even surface to work on.
174) The birth of twins put pressure on them to find a bigger flat.
175) Two years later he is flat broke and on the dole.
176) She asked him flat out if he was seeing another woman.
177) The past few days have seemed comparatively flat and empty.
178) The tyre is guaranteed never to puncture or go flat.
179) I unluckily had a flat tire on the way here.
180) Press the soil flat with the back of a spade.