This is the 8589th most frequent Russian word.
окончательно
Finally; conclusively; definitively.
The word 'окончательно' is used to emphasize the decisiveness and finality of someone's decision.
Он окончательно решил переехать в другой город.
He finally decided to move to another city.
Here, 'окончательно' signifies the permanent cessation of an event, emphasizing finality.
Дождь, наконец, окончательно прекратился.
The rain finally stopped for good.
In this sentence, 'окончательно' conveys thoroughness and certainty in completing a verification process.