How to say "bulletproof" in Japanese

• 防弾ぼうだんCommon
  no-adjectiveThe usual word for 'bulletproof' in the physical sense, describing materials or equipment that stop bullets. Fits neutral descriptions such as armor, glass, or vehicles that resist gunfire.
• 弾除けたまよけ
  nounCovers 'bulletproof' as protection against bullets, but its gloss also suggests a charm or ward against bullets, giving it a talismanic nuance. Less common, so 防弾 is usually the safer choice.

Use 防弾 for the ordinary descriptive sense of 'bulletproof' (resistant to bullets); 「弾除け」 emphasizes protection against bullets, often with a talisman-like nuance, and is less common.

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

• 防弾ぼうだんbulletproof
• 弾除けたまよけbulletproof