effect, efficacy, results

About this kanji

The kanji 「効」 primarily means effect or efficacy and is often used in contexts relating to how well something works. It is most commonly used as a noun or in verb form. For instance, 効果 (こうか) means effect, often used when discussing the impact of a medicine or treatment. The verb 効く (きく) means to be effective, such as saying a remedy works well. Another example is 効能 (こうのう), which refers to the efficacy of something, like the benefits of a health product. A quick note: you’ll often see this kanji in discussions about health and science, as it pertains to results and effectiveness.

Built from

Example sentences

• この薬は効きます。

  This medicine is effective.

Meanings across languages

English

effect, efficacy, results

Tiếng Việt

hiệu quả, tác dụng

日本語

効果, 効能

한국어

효과, 효능, 결과

中文

效果, 有效性, 结果

id

efek, efektivitas, hasil

th

ผล, ประสิทธิภาพ, ผลลัพธ์

es

efecto, eficacia, resultados

fr

effet, efficacité, résultats

de

Wirkung, Efficacité, Ergebnisse

pt

efeito, eficácia, resultados

Common compounds

• 効果こうかeffect, result
• 効くきくto be effective, to work
• 効能こうのうefficacy, effect