1. the quality of having a shiny, glossy appearance that reflects light

Examples

• The lustrousness of her hair caught everyone’s attention.
• The pearl’s natural lustrousness made it extremely valuable.
• Years of polishing restored the wood’s original lustrousness.
• The silk fabric’s lustrousness gave the dress an elegant appearance.
• The car’s paint had lost its lustrousness after sitting in the sun.
• She admired the lustrousness of the freshly waxed floor.