the nitty-gritty - definition and synonyms

noun informal 

Your browser doesn’t support HTML5 audio

/ˌnɪti ˈɡrɪti/
  1. the most basic aspects of a situation or an activity that must be dealt with, even if they are unpleasant
    the nitty-gritty of:

    the daily nitty-gritty of running a company

    get down to the nitty-gritty:

    OK, let’s get down to the nitty-gritty – what do I need to do to get rid of him?