This is the 573rd most frequent Turkish word.
kesin
Certain; definite; exact.
Here, 'kesin olarak' emphasizes certainty, showing the usage of 'kesin' as an adverbial modifier.
Bu bilgi kesin olarak doğru.
This information is certainly correct.
In this sentence, 'kesin' describes the state of the decision as immutable or final.
Kararın kesin olduğunu söyledi.
He/she said the decision is final.
Here, 'kesin' characterizes the noun 'sonuç' (result), showing its usage as an adjective.