効力

Reading: こうりょく
Meaning: effectiveness, validity, potency
Listen to pronunciation
Example Sentence
薬 の 効力 が 切れて きた
The medicine's effectiveness has worn off.
Usage Notes
Used to describe the power or effectiveness of something, often in legal or medical contexts.
Master this word on Sottaku!
Join thousands of learners mastering Japanese with our interactive flashcard system.
Start Learning Now