合かっ戦せん

noun, noun or participle which takes 'suru', intransitive verb

battle; fight; military engagement

Used especially for battles between armed groups, often in historical, narrative, or stylized contexts. For modern military action, 戦闘 may sound more technical and current.

• 関ヶ原の合戦せきがはらのかっせんは日本にほん史しの大おおきな転てん機きだった。

  The Battle of Sekigahara was a major turning point in Japanese history.

• 両りょう軍ぐんは川かわを挟はさんで合かっ戦せんした。

  The two armies fought a battle across the river.

noun, noun or participle which takes 'suru', intransitive verb

contest; competitive fight; battle for something

Also used in compounds and figurative expressions for a contest or rivalry, such as 雪合戦, 歌合戦, 安売り合戦, and 票取り合戦.

• 子こどもたちの合かっ戦せんはとてもにぎやかだった。

  The children's contest was very lively.

• 駅えき前まえではスーパー同どう士しの合かっ戦せんが続つづいている。

  The supermarkets in front of the station are continuing their battle.