Definition of peacekeeper noun from the Oxford Advanced American Dictionary

     

    peacekeeper

     noun
    noun
    NAmE//ˈpisˌkipər//
     
     
    jump to other results
  1. 1a member of a military force who has been sent to help stop people fighting in a place where war or violence is likely
  2. 2a person who tries to stop people arguing or fighting She's the peacekeeper in that family.
See the Oxford Advanced Learner's Dictionary entry: peacekeeper