Meanings
Adverb
Usually written in kana
1. suddenly; casually; accidentally; incidentally; unexpectedly; unintentionally
Kanji used
negative
18 litres
Pitch accent
Composed of
un-; non-; negative prefix
to; traditional unit of volume, approx. 18 litres; square bearing block (at the top of a pillar); Chinese "Dipper" constellation (one of the 28 mansions)