忽然

Reading

Kana: こつぜん

Romaji: kotsuzen

Definition

adj-t

adv-to

1

sudden; unexpected

Kanji

忽

Readings: コツ、 たちま.ち、 ゆるが.せ

Meanings: in a moment, instantly, all of a sudden, neglect, disregard

然

Readings: ゼン、 ネン、 しか、 しか.り、 しか.し、 さ

Meanings: sort of thing, so, if so, in that case, well