- Shining brilliantly; resplendent. See Synonyms at bright.
- a. Showing or expressing vitality, love, or joy: “the thrilling promise he held out in his effulgent emerald eyes” ( Arundhati Roy )b. Splendid; wonderful: effulgent beauty.
Origin of effulgentLatin effulgēns effulgent- present participle of effulgēre to shine out ex- ex- fulgēre to shine ; see bhel-1 in Indo-European roots.