unrivalled
adj. C1 Advanced UK //ʌnɹˈaɪvəld// un·ri·valled
adj. better than everything else of the same kind. You use this to describe something that has no equal or competition.
adj. having no equal or parallel; superior to all others in a specific category. Often used in marketing or critical reviews to emphasize absolute supremacy.
The hotel offers unrivalled views of the mountains.
The museum's collection of ancient pottery is unrivalled, attracting scholars from all over the world.
The company maintained an unrivalled position in the telecommunications market for decades, largely due to its early acquisition of key patents and infrastructure.
Usage
Typically used attributively before a noun or predicatively after a linking verb like 'be' or 'remain'.