- The definition of peacekeeping is the behavior of trying to prevent fighting, especially of trying to prevent war between nations.
When a person is given the responsibility to keep two groups from fighting, this is an example of a peacekeeping mission.
- Peacekeeping is the process of maintaining peace.
When the U.S. tries to broker a deal to keep Israel and Pakistan from going to war with each other, this is an example of peacekeeping.
(usually uncountable, plural peacekeepings)