# rocket scientist

idiom

Source: https://englishreference.com/idiom/rocket-scientist
Updated: 2026-08-10

## Meaning

One qualified to handle or understand things which are very complex or confusing; a very intelligent person.

## Examples

- You do not need to be a rocket scientist to use this app.
- The instructions for the new coffee machine are confusing, but you do not have to be a rocket scientist to figure them out.
- While the technical manual for the software is dense, one hardly needs to be a rocket scientist to grasp the fundamental principles of its operation.

## Origin

From rocket + scientist.

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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.