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Related to nitty-gritty: Nitty Gritty Dirt Band
The specific facts, details, or elements of something. The manager always likes to begin the weekly meetings with an informal discussion before getting down to the nitty-gritty.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
The nitty-gritty of something is its most basic and important features. Now down to the nitty-gritty. I've been fat since I was 14 and been on countless unsuccessful diets. It is easy to lose sight of your aims in the nitty-gritty of daily life. Note: Nitty-gritty is also used before nouns. Let us look at the nitty-gritty problems now.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012
n. the essence; the essential points. (Usually in get down to the nitty-gritty.) Once we are down to the nitty-gritty, we can begin to sort things out.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
The heart of the matter, the fundamentals. According to lexicographer J. E. Lighter, this expression originated in black English and may be a rhyming elaboration of grit, but that has not been verified. It often is put as get down to the nitty-gritty. Nat Hentoff had it in Jazz Country (1965), “Now let’s get down to the nitty-gritty.” See also under get down to brass tacks.
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer