# flat out

idiom

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

## Meaning

At top speed.

## Examples

- I am working flat out to finish this project today.
- The kitchen staff worked flat out during the dinner rush to serve every customer on time.
- With the deadline looming, the entire research team worked flat out, ignoring their exhaustion to complete the final report before the morning meeting.

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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.