Dashboard Review Lessons

Learn

Kana Immersion Decks

Look up

Dictionary Grammar Themes Mining

Prove it

Games Exam Badges

Home Review Dictionary Lessons

v0.61What's newStudy levelSend feedbackReviewFriendsSettingsNotifications

© 2026 Nihongo CircleChangelog Genki companion Credits Terms Privacy Security

効く (きく) — to be effective | JLPT N3 · Nihongo Circle

効く

きく

N3

godan verbtransitive 他動詞intransitive 自動詞

Meanings

1to be effective
2to take effect
3to be good (for)
4to work
5to function well
6to be possible (to do, use, etc.)
7to be able to
8to taste (alcohol)

Your sentences

Kanji in this word

効Merit, Efficacy, Efficiency8 strokes

Full entry on Jisho