pacifismpac‧i‧fis‧m /ˈpæsəfɪzəm, ˈpæsɪfɪzəm/ noun [uncountable] Word Family: noun: peace, peacefulness, pacifier, pacifism, pacifist; adjective: peaceful, peaceable, pacifist; adverb: peacefully, peaceably; verb: pacify Date: 1900-2000 Language: French Origin: pacifisme, from pacifique; ⇨ pacificthe belief that war and violence are always wrong