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効

merit
Stroke count: 8

Readings

On readingコウ
Kun readingき.く、ききめ、なら.う
JōyōGrade 5
  1. to be effective
  2. to take effect
  3. to be good (for)
  4. to work
  5. to function well

Popular Usage

効く効果効力効き目

Radicals and components

Radical力powerComponents

Mnemonic (RtK)

ⓘ

mingle · top hat (亠) · father · power (力) · muscle (力) · arnold

From "Remembering the Kanji" by James Heisig · Frame 1369

Compound words

効果こうか
effect; effectiveness; efficacy; result; effects (e.g. sound effects, visual effects, special effects)
効くきく
to be effective; to take effect; to be good (for); to work; to function well
効力こうりょく
effect; efficacy; validity; potency
効き目ききめ
effect; virtue; efficacy; impression; one's dominant eye
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
時効じこう
statute of limitations; lapse of rights after a period of time; prescription (including acquisitive and extinctive prescription); becoming invalid or void after a set time; ageing
実効じっこう
practical effect; efficacy; efficiency
即効そっこう
immediate effect; instant effect
発効はっこう
coming into effect
無効むこう
invalid; void; ineffective; unavailable
有効ゆうこう
valid; effective; yuko (judo)
逆効果ぎゃくこうか
opposite effect; adverse effect; backfiring
効果的こうかてき
effective; successful
効率的こうりつてき
efficient
特効薬とっこうやく
specific medicine; wonder drug; silver bullet
有効活用ゆうこうかつよう
effective use; making effective use (of)

Stroke Order

8 strokes

Practice Writing

Practice Writing 効

Draw with a guide, then from memory — checked at every step

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