JLPT N4 · Verb

沸く (waku)

沸く (わく, waku) is a Japanese verb meaning “to grow hot (e.g. water); to boil”. It appears in JLPT N4 vocabulary lists and is marked as a common word in JMdict.

Reading: わく
Romaji: waku
Word class: Godan verb (う-verb) ending in く
Level: JLPT N4 (unofficial)

Meaning

to grow hot (e.g. water); to boil · godan verb, intransitive
to get excited (at); to erupt (in applause, cheering, etc.); to be in a ferment; to take place energetically · godan verb, intransitive
to ferment · godan verb, intransitive
to melt (of metal) · godan verb, intransitive

Example sentences

薬缶のお湯が沸いている。

The kettle is boiling.

Tatoeba #79471

市の産業はみんな好景気に沸いている。

All the industries in the city are booming.

Tatoeba #168382

Sentences from the Tatoeba project, linked to this word in JMdict.

Conjugation of 沸く

Godan verb (う-verb) ending in く. Plain and polite forms below; try any other word in the Japanese verb conjugator.

Form	Japanese	Reading
Dictionary	沸く	わく waku
Polite (~masu)	沸きます	わきます wakimasu
Negative	沸かない	わかない wakanai
Polite negative	沸きません	わきません wakimasen
Past	沸いた	わいた waita
Polite past	沸きました	わきました wakimashita
Negative past	沸かなかった	わかなかった wakanakatta
Te-form	沸いて	わいて waite
Potential	沸ける	わける wakeru
Passive	沸かれる	わかれる wakareru
Causative	沸かせる	わかせる wakaseru
Volitional	沸こう	わこう wakou
Imperative	沸け	わけ wake
Conditional (~ba)	沸けば	わけば wakeba

Kanji in 沸く

沸

seethe, boil, fermentフツ・わ.く・わ.かす · 8 strokes

Related words

Other vocabulary sharing a kanji with 沸く.

沸かすわかすto boil沸騰ふっとうboiling

Source: JMdict entry 1606680 (EDRDG, CC BY-SA 4.0). Level: unofficial JLPT list – how levels are assigned.