一いち億おく一いっ心しん

noun

national unity; the whole nation acting as one

A yojijukugo strongly associated with wartime rhetoric, especially World War II, evoking the idea of 100 million people united in purpose. Rare in everyday modern speech outside historical or political commentary.

• 戦せん時じ中ちゅう、「一いち億おく一いっ心しん」のスローガンが国こく民みんを鼓こ舞ぶした。

  During the war, the slogan 'one hundred million hearts as one' rallied the nation.