flat adjective - definition in the Learner's Dictionary - Cambridge Dictionaries Online

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English definition of “flat”

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flat

adjective
 
 
/flæt/ (flatter, flattest)
SMOOTH B1 smooth and level, with no curved, high, or hollow parts: a flat surface The countryside around here is very flat.Straight, even and level
WITHOUT EMOTION without any energy, interest, or emotion: Her voice sounded very flat.Tedious and uninspiring
WITHOUT AIR If a tyre is flat, it does not contain enough air.The exterior of vehicles
WITHOUT GAS If a drink is flat, it does not contain enough bubbles of gas.Drinks - general words
WITHOUT POWER UK If a battery (= object which provides electricity) is flat, it does not contain any more electrical power.Empty
a flat price/rate, etc a price/rate, etc that is the same for everyone and does not change: He charges a flat rate of 15 euros an hour.Value and price decreases
B flat/E flat, etc the musical note that is between the note B/E, etc and the note below itNotes of the musical scale
TOO LOW A flat musical note sounds unpleasant because it is slightly lower than it should be.Notes of the musical scale
LOW Flat shoes do not raise your feet far from the ground.Shoes and shoemaking
(Definition of flat adjective from the Cambridge Learners Dictionary © Cambridge University Press)
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