Dictionary entryCEFR C1verb
ascertain
IPA pronunciation: /ˌæs.əˈteɪn/
Listen to the pronunciationRussian meaning
Устанавливать, выяснять
English definition
Find something out for certain; make sure of.
Example
Further trials are required to ascertain the drug efficacy.
Collocations
- ascertain the truth
- ascertain the cause
- ascertain facts
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.