unrivaled

US: /ʌnˈraɪvəld/ ,(un rī′vəld)

WordReference Random House Learner's Dictionary of American English © 2025

un•ri•valed /ʌnˈraɪvəld/   adj. 

1. having no rival or equal;
   superb:
   an unrivaled poet.

Also,[esp. Brit.,] unˈri•valled. 

WordReference Random House Unabridged Dictionary of American English © 2025

un•ri•valed  (un rī′vəld), adj. 

1. having no rival or competitor;
   having no equal;
   incomparable;
   supreme:
   His work is unrivaled for the beauty of its prose.

Also,[esp. Brit.,] un•ri′valled. 

• un-¹ + rivaled 1585–95

Collins Concise English Dictionary © HarperCollins Publishers::

unrivalled, unrivaled / ʌnˈraɪv^əld/ adjective

1. having no equal; matchless