SUPREMELY Meaning of SUPREMELY in English su ‧ preme ‧ ly /sʊˈpriːmli, sjuː- $ sʊ-, suː-/ BrE AmE adverb [+ adjective/adverb] extremely or to the greatest possible degree:a supremely talented player Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012