反はん戦せん運うん動どうはんせんうんどうMeanings1nounanti-war movementRefers to organized activism, protests, or campaigns opposing war or a specific military conflict.ベトナム戦せん争そう中ちゅう、反はん戦せん運うん動どうが世せ界かい中じゅうで広ひろがった。During the Vietnam War, the anti-war movement spread around the world.