say it: RAY-dee-uhnt
radiant is an adjective meaning "radiating or as if radiating light". It is pronounced /ˈɹeɪˌdiənt/ — RAY-dee-uhnt. It carries one recorded sense.
Definitions, synonyms and semantic relations for radiant 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.