Brilliant (adjective)

1. Extremely clever or talented.
2. Extremely bright or shining.
3. Excellent; wonderful.

Origin:

Middle english, from old french, from latin brillant-, brillans, present participle of brillare to shine, from brillus bright.

Examples:

1. She is a brilliant scientist.
2. The diamond was brilliant in the sunlight.
3. He gave a brilliant performance on the piano.
4. The idea was brilliant and it worked perfectly.
5. Her dress was brilliant red.