Japanese More information Kanji in this term ... Kanji in this term 緊 縛 きんGrade: S ばくGrade: S on'yomi Close Etymology Compound of 緊 (kin, “tight”) + 縛 (baku, “to bind”). Pronunciation IPA(key): [kʲĩmba̠kɯ̟] Noun 緊(きん)縛(ばく) • (kinbaku) tying an object in a constrictive manner. (BDSM) Japanese bondage; kinbaku Coordinate terms: 縛り (shibari), ボンデージ (bondēji) Derived terms 緊縛美(きんばくび) (kinbakubi) 緊縛師(きんばくし) (kinbakushi)Wikiwand - on Seamless Wikipedia browsing. On steroids.