un ‧ crowned /ˌʌnˈkraʊnd◂/ BrE AmE adjective
the uncrowned king/queen of something the person who is thought to be the best or most famous in a particular activity:
the uncrowned king of jazz
un ‧ crowned /ˌʌnˈkraʊnd◂/ BrE AmE adjective
the uncrowned king/queen of something the person who is thought to be the best or most famous in a particular activity:
the uncrowned king of jazz
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012