[ pees-kee-per ]
See synonyms for peacekeeper on
  1. a person who maintains or restores peace and amity; mediator: Mother was the peacekeeper in our family.

  2. a soldier, military force, etc., deployed to maintain or restore peace: American marines sent abroad as peacekeepers.

Origin of peacekeeper

First recorded in 1570–80; peace + keeper

Words Nearby peacekeeper Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use peacekeeper in a sentence