Five-star (adjective)

1. Of the highest quality, ranking or rating; the best possible.
2. Having the highest rating or ranking, typically five stars.

Origin:

Compound of five and star.

Examples:

1. The hotel was a five-star luxury resort.
2. The restaurant has a five-star rating for its food and service.
3. The product is a five-star rated item.
4. The movie received five-star reviews from critics.
5. The company's customer service is a five-star experience.