{not} [be] rocket science
1
not that complicated or hard to understand, achieve, or do
The idiom "not rocket science" is often used to convey that a task or concept is relatively simple and doesn't require a high level of expertise. The phrase likely comes from the fact that rocket science, or aerospace engineering, is considered one of the most complex and challenging fields. This expression has been a common idiom in English since at least the mid-20th century.
- Designing a website may be a lot of work but it’s not rocket science.
- Learning to use this software is not rocket science; anyone can do it.
- Cooking a basic omelette is not rocket science; it's quite simple.
- Fixing a leaky faucet is not rocket science; you just need the right tools.
- Understanding this concept is not rocket science; it's just a matter of paying attention.