Jisho

×
Adverb
1. suddenly; casually; accidentally; incidentally; unexpectedly; unintentionallyUsually written using kana alone
Other forms
不斗 【ふと】不圖 【ふと】
Notes
不図: Ateji (phonetic) reading. 不斗: Ateji (phonetic) reading. 不圖: Ateji (phonetic) reading, Out-dated kanji.

Discussions

to talk about this word.