三千世界 さんぜんせかい Meanings Noun the whole universe (of a billion worlds) that Buddha enlightened See also: 三千大千世界 (さんぜんだいせんせかい). the whole wide world Kanji 三 three. Read as サン. 千 thousand. Read as セン. 世 world 界 realm. Read as カイ. Word lists Buddhism Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists