verb [I] to produce a lot of small bright flashes of light reflected from a surface
Her diamond necklace glittered brilliantly under the spotlights.
The lake glittered in the sunlight.
The harbour was glittering with lights.
His dark eyes glittered (=were bright and expressed strong feeling) (with anger) behind his spectacles.
(saying) 'All that glitters is not gold' means that something that seems to be good on the surface might not be when you look at it more closely.
glitter
noun [U] The castle looked magnificent beneath the glitter of the fireworks.
FIGURATIVE He was attracted by the glitter (=excitement and attractiveness connected with rich and famous people) of Hollywood.
Glitter is also very small pieces of shiny material used to decorate the skin or, esp. by children, for making pictures.
She was dressed up as a fairy and her face was covered with make-up and glitter.
glittering
adjective The glittering skyline of Manhattan is an impressive sight.
Glittering can also mean causing admiration.
She has had a glittering career.
As a student, he carried off most of the glittering prizes of his year.
The Cannes Film Festival is one of the most glittering (=exciting and causing admiration from being connected with rich and famous people) occasions in the movie world.
glittery
adjective She was wearing glittery (=containing very small pieces of shiny material) eye-shadow.