Formal:
* The artist's talent was peerless, unmatched by anyone in the contemporary art scene.
* Her performance was peerless, leaving the audience breathless.
* The company's customer service is peerless, setting a high standard for the industry.
Informal:
* That sunset was peerless, the most beautiful I've ever seen.
* My grandma's chocolate chip cookies are peerless, no one can bake them like she does.
* He was a peerless athlete, winning every competition he entered.
Figurative:
* Her beauty was peerless, like a radiant star in the night sky.
* The company's innovation was peerless, leading the way in the technological revolution.
The key is to use "peerless" to emphasize the uniqueness and superiority of something or someone.