definitively
adverbUK /dɪˈfɪn.ɪ.tɪv.li/
US /dɪˈfɪn.ə.tɪv.li/
In a way that is final and cannot be changed.
The judge ruled definitively that the park must stay open.
RELATED WORDS
OTHER MEANINGS
2. In a way that settles a question or doubt completely.
The test results definitively showed that the water was safe.
3. In a clear and exact way, without uncertainty.
She stated definitively that she would not attend the meeting.
4. In the most complete or authoritative manner possible.
This book definitively covers the history of the ancient world.