Use 'glitzy' to describe things that are designed to stand out and catch the eye. The casino was filled with glitzy neon signs.
Pro Tip 2/3
Not Always Positive
While 'glitzy' can mean stylish, it might also imply something is overly flashy without substance or quality. The glitzy gadgets looked cool but were actually quite cheap.
Pro Tip 3/3
Informal Situations
'Glitzy' is suitable for casual conversation more than formal writing. We went to a glitzy beach party last night.