/ Dictionary / Index P peacekeeping: Meaning and Definition of Find definitions for: peace•keep•ing Pronunciation: (pēs'kē"ping), [key] — n. 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. —adj. for or pertaining to peacekeeping: peacekeeping forces. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: peacekeeping (Thesaurus) peacekeeper peace lily Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language