防弾 ぼうだん Meanings Noun, の-adjective bulletproof; bombproof Kanji 防 defend. Read as ボウ. 弾 bullet. Read as ダン. Words containing 防弾 防弾ガラス (ぼうだんガラス) bulletproof glass 防弾チョッキ (ぼうだんチョッキ) bulletproof vest 防弾ベスト (ぼうだんベスト) bulletproof vest And 2 more. Jinuma: Japanese Dictionary · Word lists