IPA: /ˈʃaɪnɪnəs/
KK: /ˈʃaɪnɪnəs/
The quality of being shiny or reflecting light.
The shininess of the new car made it stand out in the parking lot.
Shininess → It is formed from "shine" (from Old English "scīnan", meaning to emit light) and "-ness" (meaning the state or quality of). The word "shininess" refers to the quality or state of emitting light or being shiny.
Think of the word 'shine' which means to emit light, and remember that 'shininess' describes the quality of being shiny.