Definition of pyrrhics:
(adj) :
Relating to Pyrrhus, a Macedonian king, or some of his costly victories he had while fighting Rome.
(adj) :
(prosody) Of or characterized by pyrrhics (metrical feet with two short syllables).
(n) :
(prosody) A metric foot with two short or unaccented syllables.
(n) :
An Ancient Greek war dance.
(adj) :
Achieved at too great a cost or detriment to have been worthwhile (as a victory, accomplishment, etc).
(adj) :
(not comparable) Of or relating to Pyrrhus (319/318–272 BC), Greek general and statesman.