One that preserves or promotes peace: the peacekeeper in the family. (noun)
A member of a military force engaging in peacekeeping activities, often under international sanction.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "peacekeeper" in a sentence
"I hated the word 'peacekeeper' when I got back from Bosnia because it implied some sort of bloodless offering with no real danger.. . ."
"After returning from one of his forays into the countryside, he said to me, The switch between being a combat soldier and a peacekeeper is easy at this point."
"HMCS Annapolis was a durable destroyer escort in the Canadian navy at a time when Canada was known as a peacekeeper."