perspicacity
/ˌpɜːspɪˈkæsəti/
noun
-
The ability to notice, understand, and judge things accurately, especially things that are not obvious or that others miss.
C1uncountableformal
- "Her perspicacity allowed her to spot the flaw in the plan immediately."B2
- "The detective's perspicacity impressed everyone on the case."C1
- "The critic praised the author's perspicacity in capturing subtle social details."C2
Common mistakes
- perspicuity→perspicacity
Perspicuity means clarity (of style); perspicacity means keen insight or shrewdness.