skirmish
A brief, small fight or argument between two sides.
A skirmish is a brief, small-scale fight or battle, usually between small groups rather than entire armies. While a major battle might involve thousands of soldiers fighting for days, a skirmish might be a quick clash between two patrols that stumble into each other, lasting only minutes or hours.
During the American Revolutionary War, for example, British and American forces often had skirmishes in the countryside between the major battles. These quick fights helped each side test the other's strength and gather information, even though they didn't decide the war's outcome.
The word also describes minor conflicts or disagreements outside of war. Two students might have a skirmish over who gets to use the basketball court first: not a serious, lasting conflict, just a quick verbal clash. Political candidates might have a skirmish during a debate over a minor policy point. When friends have a skirmish, it means they got into a small argument that blows over quickly, unlike a serious falling-out.
The key idea is that skirmishes are brief and limited. They're the opening moves, the testing encounters, or the small disputes, not the main event. A skirmish can lead to something bigger, or it might end on its own with both sides moving on.