軍|ぐんgun[1]atamadaka (head-high)

1. nounarmy; armed forces; troops
   我わが軍ぐんはその王国おうこくを襲おそった。↗

   Our army attacked the kingdom.
2. nounmilitary authorities
3. nounteam; group; troupe

• Synonym部隊ぶたいNeutralA unit organized within the military, as in 「特殊部隊」; also figuratively a team with a shared goal. 「軍」 refers to the armed forces as a whole.
• Synonym兵へいWrittenA soldier or troop strength; also war or strategy, as in 「兵を挙げる」. A written word; 「軍」 is the military organization itself.
• Synonym軍隊ぐんたいNeutralThe military as a whole, as in 「軍隊に入る」. Nearly interchangeable with 「軍」 but typically used on its own.
• Synonym軍勢ぐんぜいWrittenAn army together with its size or strength, as in 「十万の軍勢」. Found mainly in historical narratives and war chronicles; written register.
• Related兵員へいいんWrittenThe number of soldiers, personnel strength, as in 「兵員を増強する」. Centers on headcount; a written, military term.
• Related兵隊へいたいCasualColloquial word for soldiers or the military; also figuratively someone at others' beck and call. 「軍」 is the more formal term.
• Related陣じんWrittenA battle position or camp, and by extension a group or faction, as in 「報道陣」; often used as a suffix. 「軍」 means the military itself.
• Antonym民たみNeutralThe people, ordinary citizens. Opposed to 「軍」 in the contrast between military and civilian.

Use 「軍」 or 「軍隊」 for the armed forces; 「軍」 also names a unit like 「第一軍」. Units within the military are 「部隊」, soldier numbers 「兵員」, colloquial speech 「兵隊」. 「軍勢」 and 「兵」 suit historical or written prose, 「陣」 camps or factions, 「民」 is the civilian opposite.

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

1. （グン）戦たたかいのために組織そしきされた武力ぶりょく集団しゅうだん。軍隊ぐんたい。
2. （グン）軍隊ぐんたいの部隊ぶたい編制へんせいの単位たんいのひとつ。軍団ぐんだんまたは師団しだんの上うえで軍ぐん集団しゅうだんの下した。
3. （グン）野球やきゅうなどの集団しゅうだん競技きょうぎにおけるチームのこと。