undisputed (adjective)

1. In the undisputed realm of fantasy, dragons roam freely and wizards cast powerful spells.

2. The undisputed box office hit of the year, the movie broke numerous records.

3. Her talent as a painter was undisputed, as she received rave reviews and sold her artwork for high prices.

4. The undisputed victor of the Battle of Waterloo was the Duke of Wellington, marking the end of Napoleon's reign.