unpeered
/(ˌ)ʌnˈpɪəd/Now somewhat rare (chiefly archaic and poetic in later use)
adjective
Unequalled, unrivalled; peerless.
Origin
Early 17th century; earliest use found in John Marston (bap. 1576, d. 1634), poet and playwright. From un- + peer + -ed.