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1)

有効ゆうこう

#4,117

Inflections of 有効
Common
ゆうこう
Meaning
    1. ①
      valid; effective
      Antonym: 無効 (むこう)
      その切符きっぷは一週間いっしゅうかん有効ゆうこうです。
      The ticket is valid for a week.
    2. ②
      martial arts
      yuko (judo)
Kanji
有 ユウ possess, have, exist 効 コウ merit, efficacy, efficiency
Forms
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2)

有効ゆうこうに使つかう

#24,169

Inflections of 有効に使う
ゆうこうにつかう
Meaning
    1. to make good use of; to use to one's advantage
      時間じかんはできるだけ有効ゆうこうに使つかわなければならない。
      You must make the most of your time.
Kanji
有 ユウ possess, have, exist 効 コウ merit, efficacy, efficiency 使 シ use, send on a mission, order
Forms
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