Effulge is a glamorous and rare word used to describe brightness that radiates from something. However, there are several synonyms that can be used to describe this effect. Words like shine, radiate, glow, glitter, sparkle, beam, and illuminate can replace the word effulge while still conveying the same bright aura. These words are powerful and can provide a sense of brilliance and grandeur to any scenario. Whether you are describing the radiance of a diamond, the shining sun, or a person's glowing personality, there are plenty of synonyms to choose from to add impact to your writing and descriptions.