1. the quality of being brilliant; exceptional brightness or intelligence
2. a brilliant display or performance, especially in chess or other games
Usage: chess; games

Examples

• The brilliancy of the diamond caught everyone’s attention.
• Her brilliancy in mathematics was evident from an early age.
• The sun’s brilliancy made it difficult to see without sunglasses.
• The chess master was famous for his tactical brilliancies.
• The brilliancy of his solution impressed the entire team.
• The fireworks display was a brilliancy of color and light.