flat - definition in the American English Dictionary - Cambridge Dictionaries Online

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  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.

flat

adjective, 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

flat

noun [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

flat

adverb  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)
What is the pronunciation of flat?
Add Cambridge dictionaries to your browser to your website

Definitions of “flat” in other dictionaries

Word of the Day

selfless

caring more for what other people need and want rather than for what you yourself need and want

Word of the Day

She’s got very good posture. (How we stand and sit)

by Kate Woodford,
May 27, 2015
Recently on this blog, we looked at the words that we use to describe the way we move. This week we’re looking at words for describing our bodies when they are still, whether we are standing or sitting. Since most of us do far too much of this, let’s start with sitting.

Read More 

ebolaphobia noun

June 01, 2015
irrational fear of the (spread of) the Ebola virus Ebolaphobia Going Viral

Read More