Definitions:

1. Better than any other of its type. ADJECTIVE
   • Shakespeare's reputation as a playwright is often considered peerless in the English-speaking world.
2. Eminent beyond or above comparison. ADJECTIVE
   • The artist's mastery of detail makes his work peerless in the world of modern painting.
3. Something or someone so exceptional that they have no peers or rivals. ADJECTIVE
   • Her performance in the competition was peerless, earning her a standing ovation from the judges.

Synonyms:

• Incomparable
• matchless
• supreme
• unequaled
• unique
• unparalleled