Day 1- peace [pees] Show IPA noun, interjection, verb, peaced, peac·ing. noun 1. the normal, nonwarring condition of a nation, group of nations, or the world. 2. ( often initial capital letter ) an agreement or treaty between warring or antagonistic nations, groups, etc., to end hostilities and abstain from further fighting or antagonism: the Peace of Ryswick. 3. a state of mutual harmony between people or groups, especially in personal relations: Try to live in peace with your neighbors. 4. the normal freedom from civil commotion and violence of a community; public order and security: He was arrested for being drunk and disturbing the peace. 5. cessation of or freedom from any strife or dissension.