ɪts nɒt ˈrɒkɪt ˈsaɪəns
Work
informal
beginner
- Literally:
- It is not the science of rockets
What does "it's not rocket science" mean?
- It's not difficult to understand or do
- Something is simpler than it might appear
Examples
- Come on, it's not rocket science—just follow the instructions.
- Cooking pasta is not rocket science.
- It's not rocket science; anyone can learn to do this.
Origin
Emerged in the 1980s, referencing rocket science as the epitome of complex, difficult knowledge. If something isn't rocket science, it's comparatively easy.
How to use it
Used to emphasize simplicity, sometimes condescendingly. 'It's not brain surgery' is a similar expression.
Similar expressions
it's not brain surgery
it's easy
it's straightforward
Opposites
it's complex
it's difficult
it requires expertise
Related idioms
- hit the nail on the head
To describe exactly what is true or important
- call it a day
To stop working for the day
- have one's hands full
To be very busy with something
- learn the ropes
To learn the basics of a job or activity
- get your act together
To organize yourself and start behaving more responsibly
- hit the books
To study intensively
Use it in a practice answer
Try "it's not rocket science" in a CELPIP-style Speaking or Writing task. The AI feedback tells you whether your word choice worked.