Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “no-brainer”

no-brainer

noun [S] uk   /ˌnəʊˈbreɪ.nər/ us    /ˌnoʊˈbreɪ.nɚ/ slang
something such as a decision that is very easy or obvious: The decision was a complete no-brainer.Easiness and simplicity
(Definition of no-brainer from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of no-brainer?
Browse related topics

You are looking at an entry to do with Easiness and simplicity, but you might be interested in these topics from the Easy and difficult topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “no-brainer” in other dictionaries

Word of the Day

beer mat

a small piece of cardboard that you put under a glass to protect a table surface in a pub or bar

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More