flat


Definition: Meaning of, flat in English to English dictionary.

Pronunciation: / flat /

  • adjective
  • synonym
  • antonym
Word Forms:
Positive Comparative Superlative
flat flatter flattest
  1. surface smooth and level, without raised or hollow areas, and not sloping or curving
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  2. money a flat rate, amount of money etc is fixed and does not change or have anything added to it
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  3. tyre/ball a flat tyre or ball has no air or not enough air in it
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  4. not deep not very deep, thick, or high, especially in comparison to its width or length
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  5. drink a drink that is flat does not taste fresh because it has no more bubbles of gas in it
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  6. not interesting [not before noun] a performance, book etc that is flat lacks interest, excitement, or energy
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  7. battery British English a flat BATTERY has lost its electrical power [=  dead American English]
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  8. business/trade if prices, economic conditions, trade etc are flat, they have not increased or improved over a period of time
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  9. E flat/B flat/A flat etc a musical note that is one SEMITONE lower than the note E, B, A etc [↪  sharp, natural]
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  10. musical sound if a musical note is flat, it is played or sung slightly lower than it should be
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  11. voice not showing much emotion, or not changing much in sound as you speak
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  12. a flat refusal/denial etc a refusal etc that is definite and which someone will not change
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  13. be flat on your back to be lying down so that all of your back is touching the floor
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  14. be flat on your back to be very ill so that you have to stay in bed for a period of time
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  15. shoes flat shoes have very low heels
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  16. light having little variety of light and dark
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  17. and that's flat! British English spoken old-fashioned used to say that you will definitely not change what you have just said [=  and that's that]
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  • noun
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Word Forms:
Singular Plural
flat flats
[countable]
  1. place to live especially British English a place for people to live that consists of a set of rooms that are part of a larger building [=  apartment]
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  2. tyre especially American English a tyre that does not have enough air inside [=  flat tyre]
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  3. music a musical note that is one SEMITONE lower than a particular note
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  4. music the sign in written music that shows that a note is one SEMITONE lower than a particular note [↪  sharp, natural]
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  5. land flats [plural] an area of land that is at a low level, especially near water
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  6. shoes flats [plural] American English a pair of women's shoes with very low heels
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  7. the flat of somebody's hand/a knife/a sword etc the flat part or flat side of something
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  8. on the flat British English on ground that is level and does not slope
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  • adverb
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Word Forms:
Positive Comparative Superlative
flat flatter flattest
  1. flat position in a position in which the surface of something is against another surface without curving or sloping
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  2. three minutes/10 seconds etc flat informal in exactly three minutes, ten seconds etc - used to emphasize that something happens or is done very quickly
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  3. fall flat informal if a joke, story etc falls flat, it does not achieve the effect that is intended
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  4. music if you sing or play music flat, you sing or play slightly lower than the correct note so that the sound is unpleasant
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  5. fall flat on your face to fall so that you are lying on your chest on the ground
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  6. fall flat on your face informal to not have the result you want or expect, especially when this is embarrassing
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  7. flat out informal as fast as possible
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  8. flat out informal American English in a direct and complete way [=  straight out]
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  9. tell somebody flat British English spoken to tell someone something directly and definitely [=  straight out]
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flat used in phrases

  • B-flat clarinet (noun)
    1. the ordinary clarinet with a middle range
  • Flat Earth Society, the
    1. an organization which believes that the Earth is flat and that science cannot be trusted. People sometimes mention its name when they are talking about someone whose ideas are impractical or unscientific.
  • Flat Iron Building
    1. the Flat Iron Building a tall office building in New York City, which is shaped like a very large IRON (= the thing you use for making clothes smooth)
  • alluvial flat (noun)
    1. a flat resulting from repeated deposits of alluvial material by running water
  • bachelor flat (noun)
    1. an apartment where an unmarried man or woman lives
  • become flat (verb)
    1. lose sparkle or bouquet
  • cold-water flat (noun)
    1. an apartment without modern conveniences
  • common flat pea (noun)
    1. low spreading evergreen shrub of southern Australia having triangular to somewhat heart-shaped foliage and orange-yellow flowers followed by flat winged pods
  • double flat (noun)
    1. a musical notation of two flats in front of a note indicating that it is to be lowered by two semitones
  • fall flat (verb)
    1. fail utterly; collapse
  • More