What does the idiom "It\'s not rocket science" mean?

The expression It\'s not rocket science is one of the idioms that often finds a place in our literature and enriches our language. However, its meaning is not fully understood, so it is sometimes used in the wrong situations. Please review the explanation carefully for the correct use of the It\'s not rocket science idiom.

Meaning of "It\'s not rocket science"


The idiom 'It's not rocket science' is typically used to express the idea that something is not difficult to understand or do. It suggests that the task or concept in question requires no special training or expertise—what is needed for success amounts to no more than common sense.


The origins of the expression ‘It’s not rocket science’ are unclear. It is likely a modern variation on the saying 'It's not brain surgery', which dates back to the mid-twentieth century. This idiom was likely inspired by the fact that brain surgery is a very precise and difficult medical procedure that requires great skill and intense concentration to perform. Similarly, rocket science is both precise and difficult, as it requires knowledge of physics and mathematics to design, build, and launch rocket-propelled objects. Interestingly, while 'It's not brain surgery' is still used today, 'It's not rocket science' has become far more popular and is used in a variety of contexts.


'It's not rocket science' is a common phrase used casually in conversation by people of all age groups. It is frequently used in a humorous manner, often when one is attempting to make a point about a subject that is not particularly difficult to understand or to do. The phrase can also be used in a sarcastic way, as a way to imply that someone should have been able to figure out something without assistance or extra explanation.

Example Sentences

  • “Figuring out how to work the remote isn't rocket science, you know.”
  • “You don't need to be a scientist to understand the concept—it's not rocket science.”
  • “You don't need me to explain it, it's not rocket science after all.”

The meanings of the words in the "It\'s not rocket science" idiom

Idioms with similar meaning

"Don't judge a book by its cover" is an English idiom that means you shouldn't make assumptions about someone or something based solely on its appearance. In Japanese, the similar idiom is "Hana yori dango," which translates to "Dumplings rather than flowers." This idiom means that substance is more important than appearance.


No comment has been written about It\'s not rocket science yet, you can write the first comment and share your thoughts with our other visitors.
Leave a Reply