brilliant Play adjective(of light or colour) very bright.nounA diamond of brilliant cut. SYNONYMS ablazebeamingblazingbrightcoruscatingdazzlingeffulgentfulgentfulgurantfulguratingfulgurousglaringgleamingglisteringincandescentintenseirradiantlambentlightlucentlucidluminescentluminouslustrousphosphorescentradiantrefulgentresplendentscintillatingshiningvivid
