瀬戸際外交 せとぎわがいこう Meanings Noun brinkmanship diplomacy See also: 瀬戸際政策 (せとぎわせいさく). Kanji 瀬 shallows. Read as せ. 戸 door 際 occasion. Read as きわ. 外 outside. Read as ガイ. 交 exchange. Read as コウ. Jinuma: Japanese Dictionary · Word lists