ふっと

ふっと, フッと, ふうっと, ふーっと, フーッと, フっと, フーっと, フウッと, フウっとfutto

adverb

  1. with a whiff
  2. with a puff
  3. suddenly
  4. abruptly
  5. without warning

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences