Last Updated：2025/11/20

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The property of being effective, of achieving results. / The capacity or potential for achieving results. / The degree to which something achieves results.

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effectiveness

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Source Word

effectiveness

IPA(Pronunciation)

/ɪˈfɛk.tɪv.nəs/

Noun

countable uncountable

Japanese Meaning

有効性：ある物事が期待された効果や結果を生み出す性質。 / 実効性：その手段や方法が実際に成果・結果をもたらす力、程度。 / 効力：効果が現れる度合いを示す概念。

What is this buttons?

The effectiveness of the new training program became apparent after several months.

Google Translation / DeepL Translation

新しい研修プログラムの効果は数か月後にはっきりと現れた。

Details

Sense（1）

The property of being effective, of achieving results.

The effectiveness of the drug was well established.

Google Translation / DeepL Translation

Details

Sense（2）

The capacity or potential for achieving results.

The problem with these precedents is that the Security Council did not authorize intervention in Syria, and an intervention there will thus harm, not help, the Council’s credibility and effectiveness.

Google Translation / DeepL Translation