Flatten out
/ˈflætn aʊt /B2
UpperIntermediate
1. To become flat or level after being uneven or rough.
- The road eventually flattened out after the series of hills.
- His breathing flattened out as he relaxed.
2. To cause something to become flat or level.
- Please flatten out the wrinkles in the sheet.
- She flattened out the dough on the counter.
Synonyms:
More Phrasal Verbs:
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