Dictionary entryCEFR B2noun
effectiveness
IPA pronunciation: /ɪˈfektɪvnəs/
Listen to the pronunciationRussian meaning
эффективность, действенность
English definition
The degree to which something is successful in producing a desired result.
Example
The effectiveness of the new drug was proven in clinical trials.
Collocations
- cost effectiveness
- prove effectiveness
- improve effectiveness
- overall effectiveness
This is learning content written for DET preparation, not an official dictionary entry. Check a current dictionary or the institution's policy when precision matters.