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flat

adjective · adverb · noun · verb

Simple meaning

Having no variations in height.

Pronunciation

Say it like this:

flat
US device voice
IPA pronunciation (US)

ˈflæt

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

adjective

  1. Having no variations in height.

  2. In a horizontal line or plane; not sloping.

  3. Without variation in level, quantity, value, tone etc.

  4. Smooth; having no protrusions, indentations or other surface irregularities, or relatively so.

  5. of colours

    Without variation in tone or hue (uniform), and dull (not glossy).

  6. At a consistently depressed level; consistently lacklustre.

adverb

  1. Completely, firmly, or unequivocally.

  2. of accurately measured timings

    Exactly, precisely.

  3. of a sentence

    Without parole.

  4. So as to be flat.

noun

  1. An area of level ground (sometimes covered with shallow or tidal water).

  2. (horse racing, with 'the' or attributively, sometimes with capital) Level horse-racing ground, as contrasted with courses incorporating jumps, or the racing done on such ground.

  3. in the plural

    A type of flat-soled running shoe without spikes.

  4. in the plural

    A type of ladies' shoe with a very low heel.

  5. A wide, shallow container or pallet.

  6. A flat-bottomed boat, without keel, and of small draught.

verb

  1. intransitive

    To become flat or flattened; to sink or fall to an even surface.

  2. transitive

    To dash or throw

  3. intransitive

    To dash, rush

Word at a Glance

Difficulty
A2 · Elementary
Frequency
Very Common
Typical Use
Everyday English

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: Having no variations in height.

Used this way, flat is a reasonably familiar word that usually carries little praise or criticism of its own. It usually sounds natural in a wide range of settings.

Emotional tone
Neutral
Formality
Neutral
Intensity
Not strongly marked
How common
Moderately common
Connotation
No strong connotation
Usage feel
Neutral and straightforward

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

More ways to use flat

  • “The salt flats of Utah.”noun

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Common Patterns and Combinations

How this word naturally appears with others.

Smooth

flat rateflat surface

Other combinations

flat roofflat rockflat plateflat landflat stone

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Word Family

Related forms, grouped by how they connect.

Inflected forms

Grammatical variations of the same word.

  • flatsnounPlural form

    Footwear (shoes or slippers) with no heel (or a very low heel).

  • flatterverbInflected form

    Praise somewhat dishonestly.

Word family

Words built from the same root.

  • flatnessnounDerived noun

    The property of having two dimensions.

  • flatlyadverbDerived adverb

    In an unqualified manner.

Compound terms

Established multiword terms.

  • flat archnounCompound term

    An arch with mutually supporting voussoirs that has a straight horizontal extrados and intrados.

  • flat-belliedadjectiveCompound term

    Lacking a prominent belly.

  • flat benchnounCompound term

    A bench on which a weightlifter lies to do exercises.

  • flat bonenounCompound term

    Part of the sirloin next to the wedge bone.

  • flat capnounCompound term

    A flat woolen cap with a stiff peak.

  • flat coatnounCompound term

    The first or preliminary coat of paint or size applied to a surface.

Related words

Connected by subject or meaning, not by word formation.

  • flatwarenounRelated term

    Tableware that is relatively flat and fashioned as a single piece.

  • flattenverbRelated term

    Make flat or flatter.

  • flatten outverbRelated term

    Become flat or flatter.

  • flatbed pressnounRelated term

    A printing press where the type is carried on a flat bed under a cylinder that holds paper and rolls over the type.

Related Words

Connected to the same idea, not synonyms.

More about this wordSynonyms, forms, origin

Synonyms

Sense: having no variations in height

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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.