What are synonyms of shiny?

luster
Other Words for shiny could be:

agleam

burnished

clear

gleaming

glossy

lustrous

polished

satiny

sheeny

slick

sparkling

sunny

To further expand your search, you could use syntonyms for the Word bright, which also means shiny:

ablaze

aglow

alight

argent

auroral

beaming

blazing

brilliant

burning

burnished

coruscating

dazzling

effulgent

flashing

fulgent

fulgid

glaring

gleaming

glistening

glittering

glossy

golden

illuminated

illumined

incandescent

intense

irradiated

lambent

light

lighted

limpid

luminous

lustrous

mirrorlike

moonlit

phosphorescent

polished

radiant

relucent

resplendent

scintillating

shimmering

shiny

silvery

sparkling

sunlit

sunny

twinkling

vivid

If you are unpleased with all of these Words, you could try using a thesaurus and look up the synonms for any of the Words I have listed.