adjective
brilliant
BRIL-ee-uhnt/ˈbrɪliənt/
Shining with exceptional brightness.
The gem gives off a brilliant sparkle in the light.

Etymology
Originally describing something shining or sparkling with light, brilliant came to describe someone or something distinguished by admirable qualities. Exceptional intelligence and impressive excellence are thus pictured as radiance.
In context
For me, it was a brilliant vision to a genuine problem.
Deep sea corals actually come in a stunning array of brilliant colors.
More examples
- The bird had brilliant blue feathers.
- A brilliant lamp lights the entire courtyard.
- The brilliant flash makes everyone shield their eyes.
Forms
brilliant
brilliantly adverb — With great brightness.