愚兄 ぐけい Meanings Noun (one's) older brother foolish older brother Kanji 愚 foolish. Read as グ. 兄 older brother. Read as ケイ. Words containing 愚兄 愚兄賢弟 (ぐけいけんてい) a foolish older brother and a smart younger Word lists Humble (謙譲語) Jinuma: Japanese Dictionary · Word lists