WordWeb Online

1. Of surpassing excellence
   "a brilliant performance";
   - superb, magnificent
    
2. Having or marked by unusual and impressive intelligence
   "a brilliant mind";
   - brainy, smart as a whip
    
3. Characterized by grandeur
   "the brilliant court life at Versailles";
   - glorious, magnificent, splendid, majestic
    
4. Having striking colour
   "brilliant tapestries";
   - bright, vivid
    
5. Full of light; shining intensely
   "a brilliant star"; "brilliant chandeliers"
    
6. Clear and sharp and ringing
   "the brilliant sound of the trumpets";
   - bright

See also: bright, clever-clever, colorful [US], colourful [Brit, Cdn], impressive, intelligent, reverberant, superior

Encyclopedia: Brilliant, Al Brilliant, AL Brilliant Brilliant, OH Brilliant, Ohio Brilliant, Alabama Brilliant, British Columbia