flatten

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

Definition of flatten

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

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Other Words from flatten

flattener \ ˈflat-​nər How to pronounce flattener (audio) , ˈfla-​tə-​ \ noun

Synonyms & Antonyms for flatten

Synonyms

even, level, plane, smooth, smoothen

Antonyms

rough, roughen

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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.
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Recent Examples on the Web

Angela Johnson said about the devastation left by the storm, which flattened whole towns and left at least 50 people dead. NBC News, "Helicopter pilot discovers villagers stranded in debris in the Bahamas," 15 Sep. 2019 Last month marked the 111th anniversary of the Tunguska event, a blast that flattened trees across half a million acres of Siberian forest on June 20, 1908. Jennifer Ouellette, Ars Technica, "New research on Tunguska finds such events happen less often than we thought," 17 July 2019 Among the harrowing stories of survival from people after Hurricane Dorian flattened parts of the Bahamas, is that of two Americans who were stranded there while on vacation, losing contact with their husbands in the middle of the storm. CBS News, "2 Americans reunited with families after Dorian hit Bahamas: "They thought we were dead"," 6 Sep. 2019 Take 1 tablespoon of dough, roll it into a ball and flatten it with your hands. Dallas News, "3 Indian sweets with a twist from our favorite new cookbook 'Milk & Cardamom'," 12 Aug. 2019 Gently flatten each ball of dough into a disk and dust with flour. Tara Duggan, SFChronicle.com, "Recipe: Reem’s Za’atar Man’oushe," 2 Aug. 2019 When setting the table, flatten each towel and use it as a napkin, or fold it in half and sew around the edges for a DIY placemat. Amanda Garrity, Good Housekeeping, "What Is a Tea Towel, Anyway? Different Ways to Use This Not-so-Basic Kitchen Cloth," 25 July 2019 First, your recycling truck takes it to a sorting facility that separates the material, flattens it and compresses it into bales for shipping. Dennis Pillion | Dpillion@al.com, al.com, "Why can’t I recycle No. 5 plastics, glass? Reader questions answered," 18 June 2019 In counties farther away from the river, the fields flatten out into acre upon acre of rich, black soil that stretches to the horizon beneath a gigantic sky. Dan Balz, Washington Post, "Loyalty, unease in Trump’s Midwest," 10 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'flatten.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of flatten

1630, in the meaning defined at transitive sense

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Statistics for flatten

Last Updated

17 Oct 2019

Look-up Popularity

Time Traveler for flatten

The first known use of flatten was in 1630

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More Definitions for flatten

flatten

verb

English Language Learners Definition of flatten

: to make (something) flat or flatter
: to become flat or flatter
: to knock down (something or someone)

flatten

verb
flat·​ten | \ ˈfla-tən How to pronounce flatten (audio) \
flattened; flattening

Kids Definition of flatten

: to make or become flat She flattened herself against the wall.

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More from Merriam-Webster on flatten

Rhyming Dictionary: Words that rhyme with flatten

Thesaurus: All synonyms and antonyms for flatten

Spanish Central: Translation of flatten

Nglish: Translation of flatten for Spanish Speakers

Britannica English: Translation of flatten for Arabic Speakers

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