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.

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. Jeffrey Gundlach:

    The message of 2014 has been as the potential for Fed rate hikes has increased, the long end has done nothing but rally. I think the yield curve is going to flatten at a level previously thought unthinkable.

  2. Governor Phil Murphy:

    Our efforts to flatten the curve are starting to pay off.

  3. Parker Singleton:

    Our hypothesis is that in a diseased state, your brain is going to have higher energy hills and lower energy valleys. More so than a placebo, different parts of their brain can’t talk to each other, that’s why someone stuck in a negative pattern of thought could be having a hard time — in spite of new evidence they’re not able to see that there are reasons to be happy. Psychedelic therapy could flatten out that energy landscape again and allow more information to come in. It could allow depressed or anxious people to update their models of the world.

  4. Yousef Abbasi:

    My big hang-up here is when the curve does start to flatten, that doesn't mean we can return to normal human and economic behavior, if we do return to normal human and economic behavior, we risk the chance the curve goes parabolic again. Just from the perspective of how long this potentially can last, there's still a great deal of uncertainty.

  5. Health Commissioner Adam Crum:

    We've been looking at the curve in Alaska, we've been able to flatten that curve because Alaskans are doing a good job.

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, 2023. Web. 26 Mar. 2023. <https://www.definitions.net/definition/flatten>.

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    a decorative musical accompaniment (often improvised) added above a basic melody
    • A. suffuse
    • B. exacerbate
    • C. descant
    • D. huff

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