containmentglossary / CONTAINMENT containment. Int’l law. The policy of restricting the ideological and territorial expansion of one’s enemy. • This was the basic philosophy of the United States during the Cold War. 词条贡献者 译者玉晶,毕业于世界顶级翻译学院,擅长翻译各种与风险投资相关的法律文件。