うんちくTop 45000MeaningsNoun1. great erudition; extensive knowledge; vast stock of knowledge (Usually kana)Other spellings蘊うん蓄ちく15%薀うん蓄ちく22%Other readingsウンチクKanji in other spellings蘊pile up蓄store a large amount薀hornwortPitch accentうんちく