Frilly (adjective)

1. Adorned with frills; decorated with ruffles, gathers, or flounces.
2. Having a playful or frivolous appearance.

Origin:

Mid 19th century: from frill + -y.

Examples:

1. The frilly dress was covered in ruffles and lace.
2. She wore a frilly blouse with a ruffled collar.
3. The frilly curtains were made of sheer fabric.
4. The frilly cake was decorated with delicate frosting.
5. The frilly design was too playful for a formal event.