Brilliant
Brilliant adjective - Having or showing quickness of mind.
Usage example: a brilliant boy who left for college at the age of 16
Sharp is a synonym for brilliant in intelligent topic. In some cases you can use "Sharp" instead the word "Brilliant" as an adjective or a noun, when it comes to topics like very intelligent.
Sharp
Sharp adjective - Having or showing a practical cleverness or judgment.
Usage example: a sharp customer who wasn't about to be taken in by that smooth-tongued salesman
Brilliant is a synonym for sharp in perceptive topic. Sometimes you can use "Brilliant" instead the word "Sharp" as an adjective or a noun.
Mutual synonyms
Both words in one sentence
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The fact that she is actually sharp and brilliant when it comes to business and finance makes some very uncomfortable implications about what her upbringing as a belle has done to her mind in general.
Source: Film / Gone with the Wind -
The brilliant Amateur Sleuth who's always showing up the bumbling Inspector Lestrades with his razor-sharp deductive skills is consequently resented by pretty much everyone with a badge for it.
Source: Literature / Nero Wolfe - Disturbing, sharp, and a flawlessly brilliant take on an AU concept.
Source: Fanfic Recs / Sherlock
Cite this Source
Sharp and Brilliant. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/brilliant/sharp
Brilliant & Sharp. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/brilliant/sharp>.
Sharp or Brilliant. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/brilliant/sharp.
Google Ngram Viewer shows how "brilliant" and "sharp" have occurred on timeline