- the essential substance or details of a matter; basics; crux: Let’s skip the chitchat and get down to the nitty-gritty.
- fundamental, detailed, or probing: nitty-gritty questions.
- direct and practical: nitty-gritty advice; a nitty-gritty system.
- the nitty-gritty informal the basic facts of a matter, situation, etc; the core
n.“basic facts,” 1961, knitty-gritty, American English, said to have been chiefly used by black jazz musicians, perhaps ultimately from nit and grits “finely ground corn.” As an adjective from 1966.