戦意|せんいsen'i[1]atamadaka (head-high)

1. nounwill to fight; fighting spirit; morale

• SynonymファイトCasualColloquial loanword for fighting spirit, also a cheer: 「ファイト！」. Lighter than 「戦意」, used mostly in sports and everyday encouragement.
• Synonym闘争心とうそうしんWrittenWritten/formal prose. The drive to win and take on challenges, as in 「闘争心をむき出し」; 「戦意」 centers on the will to fight, whether in battle or in a contest.
• Related対抗意識たいこういしきNeutralNeutral. The competitive urge not to lose to someone, as in 「ライバルへの対抗意識」; it is about rivalry, not the will to fight.

Use 「戦意」 for the will to fight in battle or competition, as in 「戦意を喪失する」; for the drive to win or outdo rivals use 「闘争心」, and for cheering someone on use 「ファイト」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 戦たたかおうとする気持きもち。