Dictionary/義勇ぎゆうGiyuu義勇 (Giyuu) is a Japanese noun meaning “heroism, loyalty and courage”.Meaningsnounheroism; loyalty and courageKanji in 義勇義righteousness勇courageRelated words勇気courage正義justice義母mother-in-law義父father-in-law義理duty義務duty勇者hero義兄brother-in-law (spouse's older brother or older sister's husband)講義lecture主義doctrine義姉sister-in-law (spouse's older sister or older brother's wife)名義name (esp. on a deed, contract, work, etc.)