効こう果か覿てき面めん

noun, na-adjective, noun which may take the genitive case particle 'no'

immediately effective; having an instant effect

Describes something that works right away, often used for remedies, measures, or advice that produce noticeable results without delay.

• この薬くすりは風邪かぜに効こう果か覿てき面めんだ。

  This medicine works immediately for colds.

• 彼かれのアドバイスは効こう果か覿てき面めんだった。

  His advice had an instant effect.