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verb

flatten

FLA-tuhn

Flatten (verb) means to make something flat or level. Example: “He flattened the dough with a rolling pin.”

verb
1
To make something flat or level.
"He flattened the dough with a rolling pin."
"The steamroller flattened the fresh asphalt."
2
To knock something or someone down completely.
"The storm flattened dozens of houses along the coast."
3
To press one's body against a surface, usually to hide or avoid something.
"She flattened herself against the wall as the car sped past."

How to use flatten

Learner’s notes

In plain EnglishTo make something flat, or to knock it down so it becomes flat.

Common pairings
flatten the dough flatten a building flatten the curve

Word forms

flattened past tense, flattens singular

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Fill the gap

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He _____ the dough with a rolling pin.

Etymology

From "flat" + the verb-forming suffix "-en."

drop flatten out

Related words

Rhymes for flatten

See all rhymes for flatten →

Frequently asked questions

What does “flatten” mean?

The word “flatten” means to make something flat or level. In plain terms, to make something flat, or to knock it down so it becomes flat.

How do you pronounce “flatten”?

“Flatten” is pronounced FLA-tuhn (/ˈflæ.tən/ in IPA).

How do you use “flatten” in a sentence?

Here is “flatten” used in a sentence: “He flattened the dough with a rolling pin.”

What part of speech is “flatten”?

“Flatten” is a verb.

How many meanings does “flatten” have?

“Flatten” has 3 distinct senses listed in this dictionary. The most common is: to make something flat or level.

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Definitions: FreeDict original editorial