a. penetrating, clear, and sharp, as in operation or expression
His incisive remarks made us see the fallacy in our plans.
Sentence in Classic:
Our visitor glanced with some apparent surprise at the languid, lounging figure of the man who had been no doubt depicted to him as the most incisive reasoner and most energetic agent in Europe.
The Adventures of Sherlock Holmes By Arthur Conan Doyle Context
When we stopped the operation, he attended to Lucy, whilst I applied digital pressure to my own incision.
As he listened to Javert, the first thought which occurred to him was to go, to run and denounce himself, to take that Champmathieu out of prison and place himself there; this was as painful and as poignant as an incision in the living flesh.
Les Misérables (V1) By Victor Hugo Context