うんでいさ 雲泥の差 LinksSentence search for 雲泥の差Sentence search for うんでいのさSentence search for 雲泥之差Kanji details for 雲, 泥 and 差Edit in JMdict Expressions (phrases, clauses, etc.), Noun1. wide difference; a world of differenceIdiomatic expressionOther forms雲泥之差 【うんでいのさ】Notes雲泥之差: Rarely-used kanji form. Discussions Log in to talk about this word.