* Formal: The town's annual fiesta was a vibrant celebration of its cultural heritage.
* Informal: We're throwing a fiesta to celebrate our friend's birthday!
* Descriptive: The music and laughter filled the air, transforming the park into a lively fiesta.
* Figurative: After a long day, she was ready for a fiesta of relaxation and self-care.
Remember, "fiesta" is most commonly associated with Spanish-speaking cultures and celebrations, though it can also be used more broadly to refer to any kind of lively party or event.