Flirty (adjective)

1. Behaving in a playful or coquettish manner, typically with the intent to attract or charm.
2. Tending to act in a playful or coquettish manner, especially with the intention of attracting someone.

Origin:

Early 19th century (in the sense "fluttering, flitting"): from flirt + -y.

Examples:

1. She was known for her flirty personality.
2. He gave her a flirty smile.
3. She was dressed in a flirty outfit.
4. He found her flirty behavior attractive.
5. The flirty glances were hard to miss.