Breadcrumb Home > Dictionary > Index P peacenik: Meaning and Definition of Find definitions for: peace•nik Pronunciation: (pēs'nik), [key] — n. Slang (often disparaging) an activist or demonstrator who opposes war and military intervention; pacifist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: peacenik (Thesaurus) peacemaker peace offensive TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: felicitous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language