What does flatten mean?

Definitions for flatten
ˈflæt nflat·ten

This dictionary definitions page includes all the possible meanings, example usage and translations of the word flatten.

Princeton's WordNet

  1. flattenverb

    make flat or flatter

    "flatten a road"; "flatten your stomach with these exercises"

  2. flatten, flatten outverb

    become flat or flatter

    "The landscape flattened"

  3. flatten, dropverb

    lower the pitch of (musical notes)


  1. flattenverb

    To make something flat or flatter.

  2. flattenverb

    To press one's body tightly against a surface, such as a wall or floor, especially in order to avoid being seen or harmed.

  3. flattenverb

    To knock down or lay low.

    The prize fighter quickly flattened his challenger.

  4. flattenverb

    To become flat or flatter.

  5. flattenverb

    To be knocked down or laid low.

  6. flattenverb

    To lower by a semitone.

Samuel Johnson's Dictionary

  1. To Flattenverb

    Etymology: flatir, French, from flat.

    If they should lie in it, and beat it down, or flatten it, it will rise again. John Mortimer, Husbandry.

  2. To Flattenverb

    Here joys that endure for ever, fresh and in vigour, are opposed to satisfactions that are attended with satiety and surfeits, and flatten in the very tasting. Roger L'Estrange, Fable 161.


  1. flatten

    To flatten means to make or become flat or flatter. In the context of digital technology, it refers to converting a multi-level data structure into a single-level one. For imaging software, it could mean to merge multiple layers of an image into a single layer. The term can be used in various fields such as mathematics, computing, and others with different nuances of meanings, but the central concept remains the same, reducing multi-dimensional aspects to a singular, simple, or less complex form.

Webster Dictionary

  1. Flattenadjective

    to reduce to an even surface or one approaching evenness; to make flat; to level; to make plane

  2. Flattenadjective

    to throw down; to bring to the ground; to prostrate; hence, to depress; to deject; to dispirit

  3. Flattenadjective

    to make vapid or insipid; to render stale

  4. Flattenadjective

    to lower the pitch of; to cause to sound less sharp; to let fall from the pitch

  5. Flattenverb

    to become or grow flat, even, depressed dull, vapid, spiritless, or depressed below pitch

  6. Etymology: [From Flat, a.]

The New Hacker's Dictionary

  1. flatten

    [common] To remove structural information, esp. to filter something with an implicit tree structure into a simple sequence of leaves; also tends to imply mapping to flat-ASCII. “This code flattens an expression with parentheses into an equivalent canonical form.”

Surnames Frequency by Census Records


    According to the U.S. Census Bureau, Flatten is ranked #60790 in terms of the most common surnames in America.

    The Flatten surname appeared 331 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 0 would have the surname Flatten.

    97.5% or 323 total occurrences were White.
    1.5% or 5 total occurrences were of two or more races.

Matched Categories

How to pronounce flatten?

How to say flatten in sign language?


  1. Chaldean Numerology

    The numerical value of flatten in Chaldean Numerology is: 3

  2. Pythagorean Numerology

    The numerical value of flatten in Pythagorean Numerology is: 6

Examples of flatten in a Sentence

  1. Michael Clarke:

    Unless the Russians intend to be completely genocidal – they could flatten all the major cities, and Ukrainians will rise up against Russian occupation – there will be just constant guerrilla war.

  2. Arnoud Balhuizen:

    By the end of this year, there will be additional iron ore coming from Australia, from Brazil, our expectation is that the iron ore market cost curve will continue to flatten and continue to come under pressure.

  3. Peter Essele:

    The amount of pent-up demand is slowly being unwound and over the next year it is probably going to result in one the strongest growth in 20 years and markets are pricing that in, right now, it’s a race between cases and the vaccine and the vaccine will ultimately win out and the curve will flatten out.

  4. Rebecca Siegel:

    The continued decline in the cancer death rate over the past 25 years is really good news and was a little bit of a surprise, only because the other leading causes of death in the US are starting to flatten. So we've been wondering if that's going to happen for cancer as well, but so far it hasn't.

  5. Jennifer Aniston:

    BUT still, there are many people in our country refusing to take the necessary steps to flatten the curve, and keep each other safe, people seem worried about their rights being taken away by being asked to wear a mask. This simple and effective recommendation is being politicized at the expense of peoples lives.And it really shouldnt be a debate.

Popularity rank by frequency of use


Translations for flatten

From our Multilingual Translation Dictionary

  • سطحArabic
  • изравнявам, просвам, изглаждамBulgarian
  • planejarCatalan, Valencian
  • zploštit se, rozdrtit, uzemnit, zploštit, zplacatit se, splácnout, splácnout se, srazit k zemi, zplacatitCzech
  • jævneDanish
  • plätten, flachmachen, plattmachenGerman
  • achatar, aplanarSpanish
  • صاف کردنPersian
  • tasoittaa, litistääFinnish
  • aplatirFrench
  • presegarIdo
  • appiattire, appiattirsi, atterrareItalian
  • whakatūpā, takapapaMāori
  • aandrukken, plettenDutch
  • położyć, kłaść, równać, wyrównać, wyrównać się, zwalać, spłaszczyć, zwalić, spłaszczyć sięPolish
  • derrubar, achatarPortuguese
  • nivela, netezi, aplatizaRomanian
  • раската́ть, раска́тывать, разма́зать, расплю́щить, разгла́живать, плю́щить, расплю́щивать, разгла́дитьRussian
  • platta tillSwedish

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"flatten." Definitions.net. STANDS4 LLC, 2024. Web. 25 May 2024. <https://www.definitions.net/definition/flatten>.

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