That jars (clashes or disagrees); incongruous, conflictful.(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "jarring" in a sentence
"That comment about finding grammatical errors "jarring" is just a bit overboard, don't you think?"
"An example: If I were to rip out the music portion of Far Cry 2 and replace it with nothing or something completely irrelevant and jarring, is that not going to change the experience of the game?"
"Thomas Jane being gone is a big loss, as I find movies with sequels that don't have the same actors are way to fuckin 'jarring for my taste."