So good or unique that no one else can be compared to it; without equal.
Formed from 'peer' (an equal) plus the suffix '-less' (without), literally meaning 'without a peer or equal.' The term emerged in English during the Middle English period to describe superiority.
Queen Elizabeth I was often called 'the Peerless Queen' because she had no royal equal among her contemporaries—and she actually encouraged the term to justify her unmarried status!
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