効く
きく
kiku
JLPT N3verbVocabularyLevel 26 - JLPT N3
Quick answer
効く (きく (kiku)) means "to be effective". Use this page for pronunciation, example sentences, and related kanji.
Meaning
to be effective
Also : to work · to take effect
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Example Sentences
この薬は頭痛によく効きます。
このくすりはずつうによくききます。
This medicine works well for headaches.
Kanji in this word
Grammar to study at this level
- [Verb dictionary/nai form] + ように～ように (you ni) - So that
- [Verb dictionary form] + ことにする～ことにする (koto ni suru) - Decide to
- [Verb dictionary form] + ことになる～ことになる (koto ni naru) - It has been decided that
- [Noun/Verb te-form] + ばかり～ばかり (bakari) - Only / Nothing but
- [Verb/Adjective plain form] + はずだ～はずだ (hazu da) - Should be / It is expected
Last updated Jul 22, 2026
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