to shine brightly with little flashes of light, like a diamond

to shine brightly with a particular emotion, usually a strong one

bright light consisting of many little flashes

a bright expression in somebody’s eyes showing a particular emotion

There was a triumphant glitter in his eyes.

the attractive, exciting qualities that somebody/something, especially a rich and famous person or place, seems to have

the superficial glitter of show business

Behind all the glitter, life in the theatre can be very hard.

very small shiny pieces of thin metal or paper that are stuck to things as a decoration

Jane wore pink eye glitter to the party.

LEARNit Dictionary