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4)
#1,491

Inflections of 効く

Common
Meaning
    1. to be effective; to take effect; to be good (for)
      usu. 効く
      These pills act on the heart.
    2. to work; to function well
      usu. 利く for body senses, functions, etc.
      How dare you speak to me like that?
    3. to be possible (to do, use, etc.); to be able to
      My credit is good for 50,000 yen.
    4. to taste (alcohol); to try
      See also: 聞く (きく)
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5)
#1,610
Common
Meaning
    1. effect; effectiveness; efficacy; result
      Their excuses cut no ice with her.
    2. effects (e.g. sound effects, visual effects, special effects)
Forms
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7)
#6,868

Inflections of 効果的

Common
Meaning
    1. effective; successful
      The method was crude, but very effective.
Forms
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8)
#9,467

Inflections of 効率的

Common
Meaning
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11)
#15,701

Inflections of 功を奏する

Meaning
    1. to succeed; to bear fruit
      President Reagan's tax program has not worked.
Forms
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12)
#20,508
Common
Meaning
    1. effect; effectiveness; efficacy; virtue; benefit
      The first virtue of a painting is to be a feast for the eyes.
    1. EN Efficacy is the ability to get a job done satisfactorily.
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14)
#24,495

Inflections of 利かせる

Common
Meaning
    1. to bring out (the effect of); to put to good use; to make use of (e.g. threats); to use (e.g. intimidation); to take advantage of (e.g. one's influence); to season (with salt, etc.); to put in
      How about adding a little bit more salt?
    2. to use (tact, wit, etc.); to exercise; to display
      She showed a great deal of wit in handling the delicate question.
Forms
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15)
#220,910
Meaning
    1. effectiveness; efficacy; efficaciousness
      効き often refers to medicine
    2. dominance (e.g. of left or right hand)
      Only applies to 利き
    3. tasting (alcohol, tea, etc.)
      Only applies to 利き
      See also: 聞き (きき)
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17)
#37,222

Inflections of 効果抜群

Meaning
    1. exceptionally effective; overwhelming effectiveness
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18)
#41,778

Inflections of 利かす

Meaning
    1. to bring out (the effect of); to put to good use; to make use of (e.g. threats); to use (e.g. intimidation); to take advantage of (e.g. one's influence); to season (with salt, etc.); to put in
      He is singing with a lot of ornamentation.
    2. to use (tact, wit, etc.); to exercise; to display
Forms
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19)
#53,377

Inflections of 効果覿面

Meaning
    1. having an immediate effect; taking immediate effect
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