English

Adjective

unmatchable ‎(comparative more unmatchable, superlative most unmatchable)

1. Unable to be matched.
   • 1995, V. Balakrishnan, Network Optimization (page 228)

     An edge in a graph which has a perfect matching is an unmatchable edge if no perfect matching in the graph contains that edge.

2. Uniquely good; not approached by anything else in quality or excellence.
   • 2007 January 2, Allan Kozinn, “Celebrating Movie Musicals That Are Never Out of Date”, in New York Times:

     Yes, the originals were fantastic, perhaps even unmatchable.

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