flat Meaning in Cambridge American English Dictionary
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Meaning of "flat" - American English Dictionary

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flatadjective

 us   /flæt/

flat adjective (LEVEL)

[-er/-est only] (-tt-) level and smooth; having little or no height and not raised or round: A desk provides a flat surface to work on. Campers look for flat ground to put up their tents. [-er/-est only] (-tt-) A drink that is flat has stopped bubbling: If you don’t put the top back on the soda bottle, it will go flat. [-er/-est only] (-tt-) If a tire is flat, the air has gone out of it so that it does not give the support it should: One of my tires is flat and I’ll have to change it.

flat adjective (COMPLETE)

[not gradable] complete and certain: His request for time off from work was met with a flat refusal.

flat adjective (NOT CHANGING)

[not gradable] (esp. of an amount of money) not changing or varying: We charge a flat rate of $25 per hour. Sales are flat (= low and not changing) during this time of year.

flatadjective, adverb [-er/-est only]

 us   /flæt/ (-tt-)

flat adjective, adverb [-er/-est only] (MUSIC)

music lower in pitch than a particular or the correct note

flatnoun [C]

 us   /flæt/

flat noun [C] (APARTMENT)

esp. Br an apartment : They have a house in the country and a flat in London.

flat noun [C] (SOMETHING LEVEL)

something flat, esp. a tire that has lost its air, so that it does not give the support that it should: We pulled off to the side of the road to change a flat. The flat of the hand is the inside, level part of the hand with the fingers straight: He swatted the table with the flat of his hand.

flat noun [C] (MUSIC)

music a mark in written music showing that a note should be played a half step lower

flatadverb

 us   /flæt/

flat adverb (LEVEL)

[-er/-est only] (-tt-) in a level position, often against another surface: He hurt his back and could only sleep lying flat on his back.

flat adverb (COMPLETELY)

[not gradable] completely, or to the greatest degree possible: When he asked for a raise, the boss turned him down flat. I’m flat broke (= I have no money).

flat adverb (EXACTLY)

[only after n, not gradable] exactly: We managed to get to the station in five minutes flat.
Idioms
(Definition of flat from the Cambridge Academic Content Dictionary © Cambridge University Press)
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