luster

1 ENTRIES FOUND:
luster (US) noun
or British lustre /ˈlʌstɚ/
luster (US)
noun
or British lustre /ˈlʌstɚ/
Britannica Dictionary definition of LUSTER
[singular]
1 
: the shiny quality of a surface that reflects light
2 
: an appealing, exciting, or admired quality

— lusterless

(US) or British lustreless adjective

— lustrous

/ˈlʌstrəs/ adjective [more lustrous; most lustrous]