Meaning of “ultimately” - Learner’s Dictionary

ultimately

adverb uk us /ˈʌltɪmətli/
FINALLY

finally, after a series of things have happened:

The disease ultimately killed him.
MOST IMPORTANT

used to emphasize the most important fact in a situation:

Ultimately, he'll have to decide.

(Definition of “ultimately” from the Cambridge Learner’s Dictionary © Cambridge University Press)