IPA: /ˈlʌstrəsli/
KK: /ˈlʌstrəsli/
In a way that shines or reflects light, often giving a smooth and shiny appearance.
The pearls glimmered lustrously in the sunlight.
Lustrously → It is formed from "lustrous" (from Latin *lustrosus*, meaning shining or bright) and the suffix "-ly" (meaning in a manner of). The word "lustrously" means in a manner that is shining or bright.
Think of something that is shining or bright ('lustrous') and how it is done 'in a manner' ('-ly'). This helps you remember that 'lustrously' describes something that shines brightly.