銃弾|じゅうだんjuudan[0]heiban (flat)

1. nounbullet (from a rifle)
   銃弾じゅうだんが胸むねを貫通かんつうし、彼かれは危篤きとく状態じょうたいに陥おちいった。↗

   The bullet penetrated his chest, leaving him in critical condition.

• Synonym弾丸だんがんNeutralA general term covering bullets and shells alike; also used figuratively for speed, as in 「弾丸ツアー」. 「銃弾」 refers only to bullets from guns.
• Related砲弾ほうだんNeutralShells or cannonballs fired from a cannon. 「銃弾」 covers bullets from rifles, pistols and other guns.
• Related鉄砲玉てっぽうだまCasualColloquial word for a bullet; also figuratively, someone who goes off never to return. 「銃弾」 is the standard term.

Use 「銃弾」 for bullets from guns, as in 「銃弾を受ける」. 「弾丸」 is the general term for bullets and shells and can describe speed; 「砲弾」 means cannon shells; 「鉄砲玉」 is a colloquial word for a bullet.

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

1. 小銃しょうじゅうの弾丸だんがん。鉄砲てっぽうのたま。鉄砲玉てっぽうだま。