# build the plane while flying it

idiom

Source: https://englishreference.com/idiom/build-the-plane-while-flying-it
Updated: 2026-08-10

## Meaning

To develop one's approach or strategy to a project while carrying out that project, and not beforehand.

## Examples

- We are building the plane while flying it with this new project.
- Since we have no clear instructions, we have to build the plane while flying it to finish on time.
- The startup team faced immense pressure to launch their platform, forcing them to build the plane while flying it amidst rapidly changing market demands.

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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.