う
 
ん

interjection

  1. yes, yeah, uh huh.
  2. hum, hmmm, well, erm, huh?.
  3. oof. Moan or groan (of pain).

Variations

Pronunciation Kanji Kana Is Common
 
う
 
ん
うん ✔
 
う
 
む
うむ
 
う
 
う
 
む
ううむ