hitch
n. countablen. a small, unexpected problem that causes a short delay. It is usually something you can fix quickly.
n. a minor, temporary difficulty or obstruction that impedes progress. Often used to describe technical or logistical issues that are easily resolved.
The party went well despite a small hitch with the music.
The product launch went smoothly, with the only hitch being a brief delay in the opening presentation.
While the overall execution of the project was flawless, a minor technical hitch during the final phase required the engineers to work through the night to meet the deadline.
Probably from Middle English hicchen, hytchen, icchen (“to move; to move as with a jerk”), of obscure origin. Lacks cognates in other languages. Compare itch, hike.
Commonly used in the phrase 'without a hitch' to mean that everything went perfectly.