IPA: /ˈɡlɒsɪli/
KK: /ˈɡlɑːsɪli/
In a way that is shiny or smooth, often reflecting light.
The magazine pages were printed glossily, making the colors appear vibrant.
Glossily → It is formed from "gloss" (from Greek "glōssa", meaning tongue or language, but also referring to a shiny surface) and "-ily" (meaning in a manner). The word "glossily" means in a manner that is shiny or lustrous, often referring to a surface that reflects light.
Think of something that is shiny or has a 'gloss' to it, and remember that 'glossily' describes the way something shines or reflects light.