雲集霧散 うんしゅうむさん Meanings Noun, する verb (many things) gathering like clouds and vanishing like mist; swarming and scattering Kanji 雲 cloud. Read as ウン. 集 gather. Read as シュウ. 霧 fog 散 scatter. Read as サン. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists