flatten

verb
flat·ten | \ˈfla-tᵊn \
flattened; flattening\ˈflat-niŋ, 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, ˈfla-tə- \ noun

Synonyms & Antonyms for flatten

Synonyms

even, level, plane, smooth

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

Marcy has been flattened, to be specific, by the hulking weight of her senior citizen boyfriend, who has died during their secret tryst. Beth Kephart, Philly.com, "Frances Metzman's 'Cha-Cha Babes of Pelican Bay': The rules of dancing, life, and rocking thongs in a retirement village," 6 July 2018 The ball of this ball-and-socket joint had been flattened by wear and tear, and its no-longer-smooth surface was now in direct contact with the bony cup of the socket. Lisa Sanders, New York Times, "The Patient Had Pain When He Walked, but There Was a More Telling Change," 27 June 2018 Everything there will be flattened except for the Hooters on the southwest corner at Cobb Parkway and North Roberts Road. Ben Brasch, ajc, "A $65M mixed-use development is set to take over Cobb shopping center," 26 June 2018 The tires on 18 vehicles and one trailer were flattened. Lisa M. Bolton, Washington Post, "Crime reports for Anne Arundel and Howard counties and for Annapolis," 20 June 2018 Buildings among the narrow streets were bombed out while others were flattened. Mike Miller, PEOPLE.com, "How Angelina Jolie Spent Father's Day Amid Custody Drama with Brad Pitt," 18 June 2018 The two launches only went a short distance but if their astronomical trajectories were flattened out, the missiles would be capable of hitting nearly all of the United States. W.j. Hennigan, Time, "President Trump Wants North Korea to Give Up Nuclear Weapons. Here's Just How Hard That Would Be," 11 June 2018 Rivers are the star here, winding between green, rolling hills that were not flattened by glaciers. Chelsey Lewis, Milwaukee Journal Sentinel, "Paddling the Pecatonica through the Driftless Region," 24 May 2018 Seven years later, what remained of the town of Kalapana was flattened by another Kilauea eruption, which ended up burying more than 100 homes, a church and a store. Keli‘i Akina, WSJ, "A Housing Boom, Then a Volcanic Eruption," 20 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 2018

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 \
flattened; flattening

Kids Definition of flatten

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

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Comments on flatten

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one that holds something together

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