pyrrhic

adjective2

1. •
   Relating to Pyrrhus, a Macedonian king, or some of his costly victories he had while fighting Rome.
2. •
   Of or characterized by pyrrhics (metrical feet with two short syllables).

noun2

1. •
   A metric foot with two short or unaccented syllables.
2. •
   An Ancient Greek war dance.

adjective2

1. •
   Of or relating to Pyrrhus (319/318–272 BCE), Greek general and statesman.

   • The Pyrrhic army lost the Pyrrhic war.
2. •
   Achieved at too great a cost or detriment to have been worthwhile (as a victory, accomplishment, etc).

   • Although this syndrome is thought to resemble patterns of Pyrrhic revenge […] — 1993