効 Kanji – merit
The Japanese kanji 効 can mean merit, efficacy, efficiency, benefit.
Meaning and Readings
How is 効 read?
効 has the onyomi reading コウ and the kunyomi readings きく, ききめ, ならう.
In romaji, these readings can be written as kou, kiku, kikime, narau.
Common Japanese Words Using 効
These common Japanese words contain 効. Select linked kanji to explore their meanings and readings.
- 逆効果（ぎゃくこうか） — opposite effect, adverse effect, backfiring
- 効果（こうか） — effect, effectiveness, efficacy, result
- 効果的（こうかてき） — effective, successful
- 効能（こうのう） — effect, effectiveness, efficacy, virtue, benefit
- 効用（こうよう） — use, utility, effect, benefit
- 効率（こうりつ） — efficiency
- 効率的（こうりつてき） — efficient
- 効力（こうりょく） — effect, efficacy, validity, potency
- 時効（じこう） — statute of limitations, lapse of rights after a period of time, prescription (including acquisitive and extinctive prescription)
- 実効（じっこう） — practical effect, efficacy, efficiency