Pyr"rhic (?), a. [L. pyrrhichius, Gr. &?; belonging to the &?; (sc. &?;) a kind of war dance.] 1. Of or pertaining to an ancient Greek martial dance. " ye have the pyrrhic dance as yet." Byron.

2. (Pros.) Of or pertaining to a pyrrhic, or to pyrrhics; containing pyrrhic; as, a pyrrhic verse.

Pyr"rhic, n. 1. [Gr. &?;: cf. F. pyrrhique, fem.] An ancient Greek martial dance, to the accompaniment of the flute, its time being very quick.

2. [L. pyrrhichius (sc. pes), Gr. &?; (sc. &?;): cf. F. pyrrhique, masc.] (Pros.) A foot consisting of two short syllables.

• a very costly victory; a victory in which the means outweigh the ends .
  
• a metric foot with two short or unaccented syllables
  
• characterized by pyrrhics