A military conflict between nations or groups; a large-scale war involving armed forces.
その国は長い戦争の末に和平条約を結んだ。
The country signed a peace treaty after a long war.
戦争の影響で経済が大きく変わった。
The economy changed greatly due to the war.
彼は戦争を体験した世代だ。
He is from a generation that experienced the war.
Used figuratively for fierce competition or conflict (e.g., business rivalry, intense contest).
新製品の発売で企業間の戦争が始まった。
A battle between companies began with the release of the new product.
市場シェアを巡る戦争は消費者にとって有利な面もある。
The war over market share can sometimes benefit consumers.