1) 沸わく #6,286 Inflections of 沸く Class Godan verb Stem Inflected ending ✕ Link copied! Common N4 わく [0] Meaning Shirabe ① Godan verb Intransitive verb to grow hot (e.g. water); to boil 薬缶やかんのお湯ゆが沸わいている。 The kettle is boiling. ② Godan verb Intransitive verb to get excited (at); to erupt (in applause, cheering, etc.); to be in a ferment; to take place energetically 市しの産業さんぎょうはみんな好景気こうけいきに沸わいている。 All the industries in the city are booming. ③ Godan verb Intransitive verb to ferment ④ Godan verb Intransitive verb to melt (of metal) Kanji 沸 フツ seethe, boil, ferment Forms 沸く#6,286沸わくわくわく