第だい三さん次じ世せ界かい大たい戦せん

noun

World War III; Third World War

Refers to a hypothetical global conflict following World War II. Often used in speculative, political, or fictional contexts.

• 第だい三さん次じ世せ界かい大たい戦せんが起おこれば、人じん類るいは壊かい滅めつ的てきな被ひ害がいを受うけるだろう。

  If World War III breaks out, humanity will suffer catastrophic damage.