Yes, glitter is in the scrabble dictionary

Glitter Definition

noun

A sparkling or glistening light.

Brilliant or showy, often superficial attractiveness.

Small pieces of light-reflecting decorative material.

Sparkling brilliance of something that.

A bright usually superficial attractiveness.

verb-intransitive

To be brilliantly, often deceptively, attractive.

To sparkle brilliantly; glisten. See Synonyms at flash.

To sparkle coldly or malevolently: eyes that glittered at the prospect of revenge.

verb

To shine by reflection with many small flashes of brilliant light.

To shine with strong emotion.

To be brilliantly attractive, lavish, or spectacular.

To be superficially attractive or exciting.