Definition of "jarring"

jarring¹

adjective
comparative more jarring, superlative most jarring
1. That jars (clashes or disagrees); incongruous, conflictful.
  Quotations
  The rings of iron that on the doors were hung / Sent out a jarring sound
  1700, [John] Dryden, “Palamon and Arcite”, in Fables Ancient and Modern; […], London: […] Jacob Tonson, […]
  Slackware does not include a graphical installer. Its package manager does not perform any dependency resolution. This can be jarring for new users, particularly within the last few years, but it also enables a deeper understanding of the system.
  2018 July 16, Ben Cotton, “The oldest, active Linux distro, Slackware, turns 25”, in Opensource.com‎
  I could probably take your chickBut I just wouldn't 'cause she's jarrin'
  2019, Stormzy, Vossi Bop

jarring²

noun
plural jarrings
1. Storage in jars.
2. A feeling or movement that jars or jolts.
  Quotations
  The striker's job was onerous, too, because there was so little "give" in the metal, and the perpetual jarring was indeed trying to the muscles.
  1945 January and February, A Former Pupil, “Some Memories of Crewe Works—III”, in Railway Magazine, page 13

jarring³

verb
1. present participle and gerund of jar