noun
A political stance of not aligning with any major power bloc, especially during the Cold War. Often used in historical or international relations contexts.
冷戦時代、多くの非同盟諸国が中立主義を掲げた。
During the Cold War, many non-aligned countries adopted neutralism.
Compound of 中立 (neutrality) and 主義 (doctrine, -ism). The term is a direct calque from English 'neutralism' or similar Western political concepts, entering Japanese in the 20th century.