即 効 性(そっこうせい)

そっこうせい

noun

immediate effectiveness, quick-acting quality

1. immediate effectiveness, quick-acting quality

The quality of producing results immediately or very quickly. Used for medicines, treatments, methods, and strategies that work right away.

この薬(くすり)は即効性(そっこうせい)がある。

This medicine is fast-acting.

即効性(そっこうせい)のある対策(たいさく)が求(もと)められている。

Measures with immediate effectiveness are being sought.

この方法(ほうほう)には即効性(そっこうせい)はないが、長期的(ちょうきてき)に見(み)れば効果(こうか)がある。

This method doesn't produce immediate results, but it is effective in the long term.

Usage

Commonly used to describe medicines, treatments, or strategies. The pattern 即効性(そっこうせい)がある/ない (has/lacks immediate effect) is the most frequent usage.

Related words

即効(そっこう): immediate effect (the base word without ～性(せい))
速効(そっこう): same meaning, alternate kanji

Common collocations

即効性(そっこうせい)がある: to be fast-acting
即効性(そっこうせい)のある薬(くすり): a quick-acting medicine
即効性(そっこうせい)に欠(か)ける: to lack immediate effectiveness

general

Added 2026.3.19 8:11 · Revised 2026.9.2 13:01

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