Informal The specific or practical details; the heart of a matter.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "nitty-gritty" in a sentence
"Linsey is a bright-eyed, 25-year-old blonde bombshell with a bubbly personality and some nitty-gritty pipes."
"Whether this will ever translate to a real, nitty-gritty acceptance of these views on Amazon or Asimov's, however, remains to be seen."
"Kenji Kamiyama succeeds in all the ways that Oshii fails: characterization, dialogue, depicting the nitty-gritty lived experience of the future."