Perceptive
Perceptive adjective - Able to sense slight impressions or differences.
Usage example: due to their ability to rotate their ears, cats are very perceptive when it comes to pinpointing the source of a sound
Sharp is a synonym for perceptive in alert topic. In some cases you can use "Sharp" instead the word "Perceptive" as an adjective or a noun, when it comes to topics like piercing, discerning, observant, clever.
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
Perceptive is a synonym for sharp in keen topic. You can use "Perceptive" instead an adjective "Sharp", if it concerns topics such as alert, discerning, clever, careful.
Mutual synonyms
Both words in one sentence
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Egg of AJCO is a sharp-minded, competent prosecutor bordering on a Badass Pacifist, and currently the most perceptive character on the entire server according to the MACELIPS stats (rating at 9 points out of 10).
Source: Wise Beyond Their Years - Legends about their extremely powerful sight abound, and in many languages "having the eyes of a lynx" means being extremely sharp-sighted and (in a figurative sense) being very acute-minded and perceptive.
Source: Analysis / Panthera Awesome -
One-Woman Wail: Karuwari II Only Sane Man: The Shimura family is possessed of extremely sharp perceptive abilities and intuition that make them immune to whatever means Hisako is using to keep the other villagers complacent and oblivious.
Source: Video Game / Siren
Cite this Source
Sharp and Perceptive. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/perceptive/sharp
Perceptive & Sharp. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/perceptive/sharp>.
Sharp or Perceptive. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/perceptive/sharp.
Google Ngram Viewer shows how "perceptive" and "sharp" have occurred on timeline