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flat definition

Overview

This page has 69 definitions of flat with English translations in 6 languages. Flat is an adjective, an adverb, noun and verb. Examples of how to use flat in a sentence are shown. Also define these 108 related words and terms: height, music, semitone, puncture, uninteresting, carbonated, carbon dioxide, solution, fizz, bubble, wine, acidity, sweet, dead, juggling, spinless, absolute, downright, peremptory, phonetics, consonant, sonant, vocal, sharp, grammar, inflectional, noun, formative, infinitive, golf, golf club, head, obtuse angle, shaft, horticulture, fruit, depth, substance, believability, underdeveloped, one-dimensional, round, flesh out, finance, accrue, interest, level, natural, ♭, automotive, tyre, tire, painting, watercolor, watercolour, blade, edge, palm, hand, finger, wide, shallow, container, pallet, mail, catalog, magazine, envelope, rail transport, flatcar, geometry, subset, congruent, Euclidean space, dimension, flat sheet, mining, rectangular, masonite, lauan, muslin, scene, backcloth, backdrop, entomology, hesperiid, toy, soldier, poker, slang, flat call, call, raise, pitch, apartment, beat, strike, pound, dash, throw, rush, tower block, flo, flat, flitan, saucer, spineless, and doormat.

English flat definition

Pronunciation

Etymology 1

From Middle English flat, a borrowing from Old Norse flatr[1] (compare Norwegian and Swedish flat, Danish flad), from Proto-Germanic *flataz, from Proto-Indo-European *pleth₂- (“flat”); akin to Saterland Frisian flot (“smooth”), German Flöz (“a geological layer”), Ancient Greek πλατύς (platús), Latvian plats, Sanskrit प्रथस् (prathas, “extension”)[2]. Doublet of plat and pleyt.

Alternative forms

Adjective

flat (comparative flatter, superlative flattest)

  1. Having no variations in height.
    • 1963, Margery Allingham, chapter 17, in The China Governess‎[1]:
      The face which emerged was not reassuring. It was blunt and grey, the nose springing thick and flat from high on the frontal bone of the forehead, whilst his eyes were narrow slits of dark in a tight bandage of tissue. […].
    The land around here is flat.
  2. (music, voice) Without variations in pitch.
  3. (slang) Having small or invisible breasts and/or buttocks.
    That girl is completely flat on both sides.
  4. (music, note) Lowered by one semitone.
  5. (music) Of a note or voice, lower in pitch than it should be.
    Your A string is too flat.
  6. (of a tire or other inflated object) Deflated, especially because of a puncture.
  7. Uninteresting.
    The party was a bit flat.
  8. (of a carbonated drink) With all or most of its carbon dioxide having come out of solution so that the drink no longer fizzes or contains any bubbles.
    • Carbonated definition
      Containing carbon dioxide gas under pressure, especially pertaining to beverages, as natural mineral water or man-made drinks.
  9. (wine) Lacking acidity without being sweet.
  10. (of a battery) Unable to emit power; dead.
  11. (juggling, of a throw) Without spin; spinless.
    • Spinless definition
      Without spin.
  12. (figurative) Lacking liveliness or action; depressed; dull and boring.
    The market is flat.
    The dialogue in your screenplay is flat -- you need to make it more exciting.
  13. Absolute; downright; peremptory.
    His claim was in flat contradiction to experimental results.
    I'm not going to the party and that's flat.
    • c. 1598, William Shakespeare, Much Ado About Nothing, Act IV, Scene 2,[2]
      SECOND WATCH. Marry, that he had received a thousand ducats of Don John for accusing the Lady Hero wrongfully.
      DOGBERRY. Flat burglary as ever was committed
    • 1602, John Marston, Antonio and Mellida, Malone Society Reprint, 1921, Act I, lines 324-326,[3]
      He is made like a tilting staffe; and lookes
      For all the world like an ore-rosted pigge:
      A great Tobacco taker too, thats flat.
  14. (phonetics, dated, of a consonant) sonant; vocal, as distinguished from a sharp (non-sonant) consonant
    • Phonetics definition
      The study of the physical sounds of human speech, concerned with the physical properties of speech sounds (phones), and the processes of their physiological production, auditory reception, and neurophysiological perception, and their representation by written symbols.
    • Consonant definition
      A sound that results from the passage of air through restrictions of the oral cavity; any sound that is not the dominant sound of a syllable, the dominant sound generally being a vowel. (1 of 2 consonant definitions)
  15. (grammar) Not having an inflectional ending or sign, such as a noun used as an adjective, or an adjective as an adverb, without the addition of a formative suffix; or an infinitive without the sign "to".
    Many flat adverbs, as in 'run fast', 'buy cheap', etc. are from Old English.
  16. (golf, of a golf club) Having a head at a very obtuse angle to the shaft.
    • Golf definition
      A ball game played by individuals competing against one another in which the object is to hit a ball into each of a series of (usually 18 or nine) holes in the minimum number of strokes. (1 of 2 golf definitions)
    • Obtuse Angle definition
      An angle that is greater than 90 degrees and less than 180 degrees.
  17. (horticulture, of certain fruits) Flattening at the ends.
    • Fruit definition
      In general, a product of plant growth useful to man or animals. (1 of 9 fruit definitions)
  18. (authorship, figurative, especially of a character) Lacking in depth, substance, or believability; underdeveloped; one-dimensional.
    Antonym: round
    The author added a chapter to flesh out the books' flatter characters.
    • Believability definition
      The state or quality of being believable.
  19. (commerce, not comparable) Fixed; unvarying.
    a flat fee
    flat rates
    a flat fare on public transport
Synonyms
Antonyms
  • (having no variations in altitude): bumpy, cratered, hilly (of terrain), rough (of a surface), wrinkled (of a surface)
  • (music: lowered by one semitone): sharp
  • (music: lower in pitch than it should be): sharp
Derived terms
 
Related terms
 
Translations
of a body part having no projection
The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Dictionary:Entry layout § Translations.
Translations to be checked

Adverb

flat (comparative more flat, superlative most flat)

  1. So as to be flat.
    Spread the tablecloth flat over the table.
  2. Bluntly.
    I asked him if he wanted to marry me and he turned me down flat.
  3. (with units of time, distance, etc) Not exceeding.
    • 1996, Jon Byrell, Lairs, Urgers and Coat-Tuggers, Sydney: Ironbark, page 186:
      Dan Patch clocked a scorching 1:55.5 flat.
    He can run a mile in four minutes flat.
  4. Completely.
    I am flat broke this month.
  5. Directly; flatly.
    • 1633, George Herbert, The Temple
      Sin is flat opposite to the Almighty.
  6. (finance, slang) Without allowance for accrued interest.
    • Accrue definition
      To increase, to rise (1 of 5 accrue definitions)
Synonyms
Translations

Noun
A flat tire

flat (plural flats)

  1. An area of level ground.
    • 1625, Francis Bacon, Of Envy
      Envy is as the sunbeams that beat hotter upon a bank, or steep rising ground, than upon a flat.
    • 1913, Joseph C. Lincoln, chapter 3, in Mr. Pratt's Patients:
      My hopes wa'n't disappointed. I never saw clams thicker than they was along them inshore flats. I filled my dreener in no time, and then it come to me that 'twouldn't be a bad idee to get a lot more, take 'em with me to Wellmouth, and peddle 'em out. Clams was fairly scarce over that side of the bay and ought to fetch a fair price.
  3. (music) A note played a semitone lower than a natural, denoted by the symbol ♭ placed after the letter representing the note (e.g., B♭) or in front of the note symbol (e.g. ♭♪).
  4. (UK, Aust) An apartment in a multi-storey building. I'm living in a flat in a block of flats in the city.
  6. (informal, automotive) A flat tyre/tire.
    • Tyre definition
      The ring-shaped protective covering around a wheel which is usually made of rubber or plastic composite and is either pneumatic or solid. (1 of 2 tyre definitions)
  7. (in the plural) A type of ladies' shoes with very low heels.
    She liked to walk in her flats more than in her high heels.
  8. (in the plural) A type of flat-soled running shoe without spikes.
  9. (painting) A thin, broad brush used in oil and watercolor/watercolour painting.
  10. The flat part of something:
    1. (swordfighting) The flat side of a blade, as opposed to the sharp edge.
    2. The palm of the hand, with the adjacent part of the fingers.
  11. A wide, shallow container or pallet.
    a flat of strawberries
    • Wide definition
      Having a large physical extent from side to side. (1 of 9 wide definitions)
    • Shallow definition
      Having little depth; significantly less deep than wide. (1 of 7 shallow definitions)
  12. (mail) A large mail piece measuring at least 8 1/2 by 11 inches, such as catalogs, magazines, and unfolded paper enclosed in large envelopes.
    • Envelope definition
      A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing. (1 of 11 envelope definitions)
  13. (rail transport, US) A railroad car without a roof, and whose body is a platform without sides; a platform car or flatcar.
  14. A flat-bottomed boat, without keel, and of small draught.
  15. (geometry) A subset of n-dimensional space that is congruent to a Euclidean space of lower dimension.
  16. A straw hat, broad-brimmed and low-crowned.
  17. A flat sheet for use on a bed.
    • 1986, New York Magazine (volume 19, number 49, page 20)
      You might think that Americans buy roughly the same number of fitted sheets as flats. Or, considering the market for electric blankets, duvets, and other covers, that consumers buy even more bottom sheets, simply forgoing the tops.
  18. A platform on a wheel, upon which emblematic designs etc. are carried in processions.
  19. (mining) A horizontal vein or ore deposit auxiliary to a main vein; also, any horizontal portion of a vein not elsewhere horizontal.
    (Can we find and add a quotation of Raymond to this entry?)
    • Mining definition
      The activity of removing solid valuables from the earth. (1 of 4 mining definitions)
  20. (obsolete) A dull fellow; a simpleton.
    • 1836, Oliver Wendell Holmes Sr., "The Music-Grinders":
      ... if you cannot make a speech,
      Because you are a flat,
      Go very quietly and drop
      A button in the hat!
    • 1848, William Makepeace Thackeray, Vanity Fair, Chapter 14:
      "He fancies he can play at billiards," said he. "I won two hundred of him at the Cocoa-Tree. HE play, the young flat! ..."
  21. (technical, theatre) A rectangular wooden structure covered with masonite, lauan, or muslin that depicts a building or other part of a scene, also called backcloth and backdrop.
    • Masonite definition
      A type of hardboard formed using wooden chips and blasting them into long fibers with steam and then forming them into boards.
    • Muslin definition
      Any of several varieties of thin cotton cloth. (1 of 6 muslin definitions)
  22. (entomology) Any of various hesperiid butterflies that spread their wings open when they land.
  23. (historical) An early kind of toy soldier having a flat design.
    • 2019, Luigi Toiati, The History of Toy Soldiers (page 78)
      Among the many US museums hosting flats, we may mention the Toy Soldier Museum in the Pocono Mountains, supervised by the historian, collector and dealer J. Hillestad.
Antonyms
Derived terms
Translations
palm of the hand — see palm
The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Dictionary:Entry layout § Translations.
Translations to be checked

Verb

flat (third-person singular simple present flats, present participle flatting, simple past and past participle flatted)

  1. (poker slang) To make a flat call; to call without raising.
  2. (intransitive) To become flat or flattened; to sink or fall to an even surface.
    (Can we find and add a quotation of Sir W. Temple to this entry?)
  3. (intransitive, music, colloquial) To fall from the pitch.
  4. (transitive, music) To depress in tone, as a musical note; especially, to lower in pitch by half a tone.
  5. (transitive, dated) To make flat; to flatten; to level.
    • 1764, James Granger, M.D., The Sugar-Cane: a Poem. In Four Books. With Notes. Book 1, page 44, note to verse 605.
      The pods, which seldom contain less than thirty nuts of the size of a flatted olive, grow upon the stem and principal branches.
  6. (transitive, dated) To render dull, insipid, or spiritless; to depress.
    • a. 1677, Isaac Barrow, The Danger and Mischief of Delaying Repentance (sermon)
      Passions are allayed, appetites are flatted.

Etymology 2
A block of flats (apartments) in Wrocław

From 1795, alteration of Scots flet (“inner part of a house”), from Middle English flet (“dwelling”), from Old English flet, flett (“ground floor, dwelling”), from Proto-Germanic *flatją (“floor”), from Proto-Germanic *flataz (“flat”), from Proto-Indo-European *pleth₂- (“flat”). Akin to Old Frisian flet, flette (“dwelling, house”). More at flet, flat1.

Noun

flat (plural flats)

  2. (chiefly Britain, New England, New Zealand and Australia, archaic elsewhere) An apartment, usually on one level and usually consisting of more than one room.
    • 1905, Sydney Perks, Residential flats of all classes, including artisans' dwellings: a practical treatise on their planning and arrangement, together with chapters on their history, financial matters, etc.,with numerous illustrations, page 204,
      The excellence of French flats is so well known in America, that the owner will often refer to his property as "first class French flats."
    • 1983, Tai Ching Ling, Relocation and Population Planning: A Study of the Implications of Public Housing and Family Planning in Singapore, Wilfredo F. Arce, Gabriel C. Alvarez (editors), Population Change in Southeast Asia, page 184,
      Fifteen percent of this group said that they were not satisfied with the public housing estates and their HDB[Singapore Housing & Development Board] flats (see Tables 11 and 12 respectively).
    • 2002, MIchael Ottley, Briefcase on Company Law, page 76,
      The Greater London Council formed the Estmanco company to manage a block of 60 council-owned flats. The council entered into an agreement with the company to sell off the flats to owner-occupiers.
    • 2014, Terry Gourvish, Dolphin Square: The History of a Unique Building, page 75,
      When the Dolphin Square's flats were first offered to the public in 1936, the South Block was still under construction, and the North Block was a building site.
Synonyms
Derived terms
Translations
apartment — see apartment

Etymology 3

From Middle English flatten, from Old French flatir (“to knock or strike down, dash”).

Verb

flat (third-person singular simple present flats, present participle flatting, simple past and past participle flatted)

  1. (transitive, obsolete) To beat or strike; pound
    • Pound definition
      A unit of mass equal to 16 avoirdupois ounces (= 453.592 37 g). Today this value is the most common meaning of "pound" as a unit of weight. (1 of 7 pound definitions)
  2. (transitive) To dash or throw
  3. (intransitive) To dash, rush
Derived terms

References

  1. ^ Flat in Online Etymology Dictionary
  2. ^ Sanskrit, OHG and Greek cognates named

Anagrams

Dutch flat definition

Etymology

Borrowed from English flat.

Pronunciation

Noun

flat m (plural flats, diminutive flatje n)

  1. flat, apartment
  2. tower block

Derived terms

Latin flat definition

Verb

flat

  1. third-person singular present active indicative of flō
    • Flo definition
      boy

Norwegian Bokmål flat definition

Etymology

From Old Norse flatr

Adjective

flat (neuter singular flatt, definite singular and plural flate, comparative flatere, indefinite superlative flatest, definite superlative flateste)

  1. flat

Derived terms

References

Norwegian Nynorsk flat definition

Etymology

From Old Norse flatr

Adjective

flat (neuter singular flatt, definite singular and plural flate, comparative flatare, indefinite superlative flatast, definite superlative flataste)

  1. flat

References

Old English flat definition

Pronunciation

Verb

flāt

  1. first/third-person singular preterite of flītan
    • Flitan definition
      to strive, to make an effort

Scottish Gaelic flat definition

Noun

flat m (genitive singular flat, plural flataichean)

  1. saucer
  2. flat, apartment

Mutation

Scottish Gaelic mutation
Radical Lenition
flat fhlat
Note: Some of these forms may be hypothetical. Not every
possible mutated form of every word actually occurs.

Synonyms

Swedish flat definition

Etymology

From Old Norse flatr, from Proto-Germanic *flataz, from Proto-Indo-European *plat- (“flat”).

Adjective

flat

  1. flat (having no variations in altitude)
    Solen reflekterades i spegelns flata yta.
    The sun was reflected in the flat surface of the mirror.
  2. spineless, being a doormat, abstaining from defending one's convictions
    Han var alldeles för flat mot chefen, och fick inte heller någon löneökning.
    He let the manager walk all over him and did not get a raise.
    • Doormat definition
      A coarse mat at the entrance to a house, upon which one wipes one's shoes. (1 of 2 doormat definitions)

Declension

Inflection of flat
Indefinite Positive Comparative Superlative2
Common singular flat flatare flatast
Neuter singular flatt flatare flatast
Plural flata flatare flatast
Definite Positive Comparative Superlative
Masculine singular1 flate flatare flataste
All flata flatare flataste
1) Only used, optionally, to refer to things whose natural gender is masculine.
2) The indefinite superlative forms are only used in the predicative.

Synonyms

  • (flat): platt
  • (spineless): eftergiven, mjäkig

Anagrams