unrivalled
adjective UK formal (US unrivaled) uk/ʌnˈraɪ.vəld/ us/ʌnˈraɪ.vəld/
没有对手的；无可匹敌的；无与伦比的
having no equal; better than any other of the same type
The museum boasts an unrivalled collection of French porcelain. 该博物馆拥有举世无双的法国瓷器藏品。
Synonyms: matchlesspeerless uniqueunmatched