wnikliwego
Wnikliwego is not a standalone noun but the genitive singular form of the Polish adjective wnikliwy. The base adjective describes a person, analysis, or judgment that is penetrating, keen, or perceptive, implying a capacity to notice details and infer meaning beyond the obvious.
Etymology and meaning: The term derives from the root wn- (to penetrate) with the suffix -liwy, yielding
Usage: Wnibliwy (and its forms) appear in literary criticism, journalism, academia, and everyday language to praise
See also: wnikliwość (the noun form meaning perceptiveness or insight), wnikliwy (the base adjective), and related