戦死した

died in battle

→ 戦死
phrase Rare #26,859
died in battle Specifically means to die while fighting in a war or battle.
JA: 彼の祖父は戦死した。
EN: His grandfather died in battle.

トムの息子は二人とも戦死した。

Both of Tom’s sons were killed in action.

ヴィダル将軍が戦死したとき

When General Vidal was killed in battle

— パンズ・ラビリンス (2006)

たくさんの人が戦死した。

Many people were killed in battle.

うちの息子は戦死した。

My son was killed in action.

彼は戦死したと思われている。

He is believed to have died in battle.

その兵士は戦死した。

That soldier was killed in action.

彼らは戦死した。

They were killed in battle.