Brain
Brain noun - A very smart person.
Smart and brain are semantically related in ability topic. In some cases you can use "Smart" instead a noun "Brain", when it comes to topics like intelligence.
Smart
Smart noun - A sharp unpleasant sensation usually felt in some specific part of the body.
Brain and smart are semantically related in ability topic. Sometimes you can use "Brain" instead a noun "Smart", if it concerns topics such as intelligence.
Both words in one sentence
- Shikamaru is certainly the series' smart guy in the sense that he has a brilliant strategic brain and improbably high IQ and a talent for utilising humiliatingly complex and cruel gambits.
Source: The Smart Guy / Anime and Manga -
Then he grows his brain some more, and decides he's too smart to work there and should be a consultant instead.
Source: My Brain Is Big -
They believe that, in eating a human's brain, they will become as strong and as smart as the humans are.
Source: Brain Food
Cite this Source
Smart and Brain. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/brain/smart
Brain & Smart. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/brain/smart>.
Smart or Brain. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/brain/smart.
Google Ngram Viewer shows how "brain" and "smart" have occurred on timeline