勃起障害 ぼっきしょうがい Meanings Noun erectile dysfunction; ED See also: 勃起不全 (ぼっきふぜん). Kanji 勃 arise. Read as ボツ. 起 rise 障 hinder. Read as ショウ. 害 harm. Read as ガイ. Word lists Medicine Jinuma: Japanese Dictionary · Word lists