What is another word for little grey cells?
Pronunciation: [lˈɪtə͡l ɡɹˈe͡ɪ sˈɛlz] (IPA) 
The phrase "little grey cells" is often used to refer to the brain and its ability for complex thought and reasoning. It was famously coined by fictional detective Hercule Poirot in Agatha Christie's novels. However, there are many other synonyms that can be used to describe the brain's processing power, including: intellect, mind, intelligence, cognition, reasoning, mental capacity, brainpower, wisdom, and understanding. Each of these words encompasses a slightly different aspect of the brain's abilities, but all convey the idea of sharp, analytical thinking. Whether you're describing a brilliant detective or a quick-witted friend, there are many ways to talk about the power of the human mind.
