flatten

verb

flat·​ten ˈfla-tᵊn How to pronounce flatten (audio)
flattened; flattening ˈflat-niŋ How to pronounce flatten (audio)
ˈfla-tə-

transitive verb

: to make flat: such as
a
: to make level or smooth
b
: to knock down
also : to defeat decisively
c
: to make dull or uninspired
often used with out
d
: to make lusterless
flatten paint
e
: to stabilize especially at a lower level

intransitive verb

: to become flat or flatter: such as
a
: to become dull or spiritless
b
: to extend in or into a flat position or form
c
: to become uniform or stabilized often at a new lower level
usually used with out
flattener
ˈflat-nər How to pronounce flatten (audio)
ˈfla-tə-
noun

Examples of flatten in a Sentence

Dozens of houses were flattened by the tornado. The boxer was flattened in the seventh round. The team got flattened in the first round of the play-offs. Prices are expected to flatten after the holiday shopping season.
Recent Examples on the Web The visit also gave CNN rare access to witness up close the tremendous destruction that nearly nine months of war have wrought on Gaza’s coastline, with most buildings in sight either flattened or heavily damaged. Jeremy Diamond, CNN, 25 June 2024 Our Tips for the Best Cherry Delight For the best looking (and tasting) cherry delight, keep these tips in mind: Press evenly: For the most even crust, use a small measuring cup to flatten and distribute the crumbs evenly over the bottom of the baking dish. Jasmine Smith, Southern Living, 3 June 2024 The process of formulating a management strategy to flatten the explosive growth of park visitation began in 2016 under then-superintendent Darla Sidles. John Meyer, The Denver Post, 30 May 2024 And now, flattened and adorned with all manner of outrageous toppings. Amy Thomas, Vogue, 11 June 2024 See all Example Sentences for flatten 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'flatten.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1630, in the meaning defined at transitive sense

Time Traveler
The first known use of flatten was in 1630

Dictionary Entries Near flatten

Cite this Entry

“Flatten.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flatten. Accessed 30 Jun. 2024.

Kids Definition

flatten

verb
flat·​ten ˈflat-ᵊn How to pronounce flatten (audio)
flattened; flattening ˈflat-niŋ How to pronounce flatten (audio)
-ᵊn-iŋ
: to make or become flat

More from Merriam-Webster on flatten

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!