brilliant
1 ablaze, bright, coruscating, dazzling, glittering, glossy, intense, luminous, lustrous, radiant, refulgent, resplendent, scintillating, shining, sparkling, vivid
2 celebrated, eminent, exceptional, famous, glorious, illustrious, magnificent, notable, outstanding, splendid, superb
3 accomplished, acute, astute, brainy, clever, discerning, expert, gifted, intellectual, intelligent, inventive, masterly, penetrating, profound, quick, talented
1 dark, dim, dull, gloomy, obscure
2 dull, ordinary, run-of-the-mill, unaccomplished, unexceptional, untalented
3 dim, simple, slow, stupid