# flatten out

idiom

Source: https://englishreference.com/idiom/flatten-out
Updated: 2026-08-10

## Meaning

To become more even.

## Examples

- The road starts to flatten out after the big hill.
- After a period of rapid growth, the company's sales finally began to flatten out.
- The mountain path eventually flattens out, offering a welcome respite for the weary hikers who had been climbing for hours.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.