Meaning of the word definitively in English

What does definitively mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

definitively

US /dɪˈfɪn.ə.t̬ɪv.li/
UK /dɪˈfɪn.ɪ.tɪv.li/

Adverb

in a definitive way; in a way that provides a final answer or solution

Example:
The study definitively proved the link between diet and heart disease.
We need to resolve this issue definitively.