English phrases

How to say “it's not rocket science

Meaning

It means that something is not as complicated or difficult as it might seem; it's simple to understand or do.

When to use

Use this phrase to encourage someone who is overcomplicating a task or to dismiss an idea that seems overly complex for a simple situation.

Hear it in context

A: 'I don't know how to set up this new phone.' B: 'Just plug it in and turn it on – it's not rocket science.'

Alternative expressions

  • It's not brain surgery.
  • It's not exactly rocket science.
  • It's a piece of cake.

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