na-adjective, noun
scintillating; extraordinarily excellent
Rare literary word describing something brilliantly clever, outstanding, or strikingly excellent, often used for wit, writing, or ideas.
彼の警抜な発想にはいつも驚かされる。
I am always amazed by his scintillating ideas.
この小説には警抜な比喩が随所に見られる。
This novel is filled with extraordinarily excellent metaphors.