► 名詞
胸 [(2)むね] meaning: breast rank: 1
☆ 彼女は胸が無い ⇨ She has no breasts, is flat-chested
☆ 私は胸に鋭い痛みを感じた ⇨ I felt sharp pain in the chest
おっぱい [(1)おっぱい] [coll] [casual] meaning: breast rank: 2
☆ 彼女はおっぱいが大きい ⇨ She has big boobs (☛ Casual but not vulgar. Used by both male and female. Female breast only)
胸囲 [(1)きょうい] meaning: breast rank: 2
☆ 胸囲100センチのジャケット ⇨ A jacket with a 100 cm breast
乳癌 [(1)にゅうがん] meaning: breast rank: 3
☆ 彼女は乳癌になった ⇨ She suffered from breast cancer
巨乳 [きょにゅう] [coll] [vulgar] meaning: breast rank: 4
☆ 巨乳女優 ⇨ An actress with giant boobs
乳房 [(1)ちぶさ] [tech] meaning: breast rank: 4
☆ 女性は思春期に乳房が発達する ⇨ Breasts develop for women during adolescence (☛ Usually female breast)
爆乳 [ばくにゅう] [coll] [vulgar] meaning: breast rank: 4
☆ 爆乳女優 ⇨ An actress with giant boobs
貧乳 [ひんにゅう] [coll] [vulgar] meaning: breast rank: 4
☆ 彼女は貧乳だ ⇨ She’s flat-chested
微乳 [びにゅう] [coll] meaning: breast rank: 4
☆ 彼女は微乳だ ⇨ She has very small breasts
美乳 [びにゅう] [coll] meaning: breast rank: 4
☆ 美乳モデル ⇨ A model with beautiful breasts
ボイン [(2)ぼいん] [coll] [humorous] meaning: breast rank: 4
☆ 彼女はボインだ ⇨ She has big boobies (☛ A slang from the 70’s)
胸倉 [むなぐら] meaning: breast rank: 4
☆ 彼は相手の胸倉を掴んだ ⇨ He grabbed the breast of other guy’s shirt (in aggression) (☛ Breast of clothes)
胸元 [むなもと] meaning: breast rank: 4
☆ 胸元が開いたドレス ⇨ A dress that reveals the chest
► 形容詞
ちっぱい [(3)ちっぱい] [coll] [vulgar] meaning: breast rank: 4
☆ ちっぱい女の子 ⇨ A small-breasted girl