grinding
adjective /ˈɡraɪndɪŋ/
  /ˈɡraɪndɪŋ/
[only before noun]- (of a difficult situation) that never ends or improves- grinding poverty
 Oxford Collocations DictionaryGrinding is used with these nouns:- halt
- poverty
- stone
- …
 
- (of a sound) rough and unpleasant to listen to- I heard a loud grinding noise coming from the engine.