"It's a no-brainer."

 

Meaning

  • Something so simple to do or understand 
  • Something so obvious that you do not need to think much about it
  • If you describe a question or decision as a no-brainer, you mean that it is a very easy one to answer or make  and requires very little thought. [informal]
  • If you describe a person or action as a no-brainer, you mean that they are stupid. [US, informal, disapproval]

Note

We need our brains to think and reason on things, that much is obvious. Some choices, however, are considered to be so easy to make, that a person does not even need to think about them much before making them. A choice like this is sometimes called a ‘no-brainer.’


Example: 

Mike was sweating bullets on a hot summer day and needed to cool off. His friend offered him a cold cup of lemonade, which Mike accepted without hesitation; it was a no-brainer for him. (In other words, he didn’t have to think about it too much; it was a simple decision for him to make.)


More Example Sentences

  • That last test question was a complete no-brainer.
  • It's a no-brainer investment. You'll double your money.
  • Deciding who to give the 'Salesperson of the Year Award' to was a no-brainer. Shelly was by far our best salesperson.
  • I recently learned that I am allergic to peanuts, so staying away from them is a no-brainer for me.
  • Taking that job over the one I had was a no-brainer.
  • The decision to invest in the energy company was a no-brainer.
  • So how do you stop worrying about whether to retire or not? It's a no-brainer. You just stop worrying about it.
  • It should be illegal to drink and drive. That's a no-brainer. 
  • I think it's a no-brainer from my perspective, I think educating yourself is extremely important.


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