flat

/flæt/ adjective (flatter, flattest)

Definition

SMOOTH › smooth and level, with no curved, high, or hollow parts: a flat surface The countryside around here is very flat.

WITHOUT EMOTION › without any energy, interest, or emotion: Her voice sounded very flat.

WITHOUT AIR › If a tyre is flat, it does not contain enough air.

WITHOUT GAS › If a drink is flat, it does not contain enough bubbles of gas.

WITHOUT POWER UK › If a battery (= object which provides electricity) is flat, it does not contain any more electrical power.

a flat price/rate, etc › a price/rate, etc which is the same for everyone and does not change: He charges a flat rate of £15 an hour.

B flat/E flat, etc › the musical note that is between the note B/E, etc and the note below it

TOO LOW › A flat musical note sounds unpleasant because it is slightly lower than it should be.

LOW › Flat shoes do not raise your feet far from the ground.

(Definition of flat adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

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