For Tomb Guards, it means a jarring break from the 'normal' routine of 21 steps, heel clicks, and guard changes.
What Daisey relates in the show is jarring; he describes seeing abusive working conditions, disfigurement, child labor, illness.
As a neonatal physician trained in the United States, it is a jarring process for me to practice medicine here.
The most jarring clash of the entire debate was Tom Brokaw's green jacket and red tie set against the blue set.
There are other passages of this sort, many others, but the most jarring aspect of the judgment is its incoherence.
He went through all the preliminary work, and reconciled, as far as possible, the jarring interests that came into play.
Their share is confined to swinging the axe and gripping the jarring drill.
It was so hot, and I wanted to rest for a little, the motion was jarring my leg.
Sharp and jarring and without premonition are the surprises of youth.
Windows rattled ominously; doors slammed with jarring crashes.
1520s, "to make a harsh, grating sound," usually said to be echoic or imitative, but no one explains how, or of what. Figurative sense of "have an unpleasant effect on" is from 1530s; that of "cause to vibrate or shake" is from 1560s. Related: Jarred; jarring.
"cylindrical vessel," early 15c., possibly from Middle French jarre "liquid measure" (smaller than a barrel), 12c., from Provençal jarra, from Arabic jarrah "earthen water vessel" (whence also Spanish jarra, Italian giarra) [Klein].