わく
わく
waku
JLPT N4verbVocabularyLevel 12 - JLPT N4

Quick answer

わく (わく (waku)) means "to boil". Use this page for pronunciation, example sentences, and related kanji.

Meaning

to boil

Also : to grow hot

Learn わく with SRS

Free to start — no credit card. Track every review with spaced repetition.

Start free

Example Sentences

やかんが鳴り始めたので、水がわいています。

やかんがなりはじめたので、みずがわいています。

The kettle started whistling, so the water is boiling.

朝の日差しで、池の水がわき上がっていました。

あさのひざしで、いけのみずがわきあがっていました。

In the morning sunlight, the pond water was bubbling up.

Kanji in this word

Grammar to study at this level

Last updated Jun 11, 2026

Learn わく with Spaced Repetition

InitialJ uses scientifically proven SRS to help you memorize kanji and vocabulary for the JLPT. N5 is free forever; no credit card required.