say it: BRI-lyuhnt-lee
brilliantly is an adverb meaning "with brightness". It carries 2 recorded senses.
in an extremely intelligent way
“he solved the problem brilliantly”
Definitions, synonyms and semantic relations for brilliantly come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.