- the maintenance of international peace and security by the deployment of military forces in a particular area: the United Nations’ efforts toward peacekeeping.
- an instance of this.
- for or pertaining to peacekeeping: peacekeeping forces.
- the maintenance of peace, esp the prevention of further fighting between hostile forces in an area
- (as modifier)a UN peacekeeping force
n.also peacekeeping, 1961 in the international sense, from peace + keeping, verbal noun from keep (v.). Earlier “preservation of law and order” (mid-15c.). Related: Peace-keeper (1570s).