Contents

JapaneseEdit

Kanji in this term
うん
Grade: 2
でい
Grade: S

Grade: 4
on'yomi

EtymologyEdit

Phrase composed of 雲泥(undei, clouds and mud) +‎ (no, possessive particle) +‎ (sa, difference). Compare Chinese 雲泥之別云泥之别 (yúnní zhī bié), 雲泥之差云泥之差 (yúnní zhī chā, “a stark difference”).

PronunciationEdit

  • IPA(key): [ɯ̃ᵝɴde̞ː no̞ sa̠]

NounEdit

雲泥の差 ‎(hiragana うんでいのさ, romaji undei no sa)

  1. (having) a great difference when compared with the same scale, one being far better than the other.
    • 1906, Natsume Soseki, Botchan:
       (いま)まで物理学校 (ぶつりがっこう)毎日先生先生 (まいにちせんせいせんせい) ()びつけていたが、先生 (せんせい) ()ぶのと、 ()ばれるのは雲泥 (うんでい) ()だ。
      Ima made butsuri gakkō de mainichi sensei sensei to yobitsuketeita ga, sensei to yobu no to, yobareru no wa undei no sa da.
      Up to now, in Physics School, I'd called out "professor, professor!" every day, but calling someone "professor" and being called "professor" myself was as different as clouds and mud.