Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “flat”

See all translations

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)
Add Cambridge dictionaries to your browser to your website

Definitions of “flat” in other dictionaries

Word of the Day

escapism

a way of avoiding an unpleasant or boring life, especially by thinking, reading, etc. about more exciting but impossible activities

Word of the Day

Lies, lies, lies!

by Kate Woodford,
February 25, 2015
​​​ According to sociologists (=people who study the relationships between people living in groups), we are good at lying. As a species, we have developed a remarkable ability to deceive each other (= persuade each other that something false is true). Being able to say things that are not true can help with

Read More 

showrooming noun

February 23, 2015
the activity of examining a product in a physical store and then making the purchase with an online retailer Amazon’s new smartphone is specifically designed to make showrooming fast and easy.

Read More