旧世界 きゅうせかい Meanings Noun Old World (i.e. Asia, Africa, Europe) See also: 新世界 (しんせかい). Kanji 旧 former. Read as キュウ. 世 world 界 realm. Read as カイ. Words containing 旧世界 旧世界猿 (きゅうせかいざる) Old World monkey (any monkey of family Cercopithecidae) Jinuma: Japanese Dictionary · Word lists