Contumacy

n. pl. Contumacies (kŏn"t&uuptack_;*må*sĭz)
  1. Stubborn perverseness; pertinacious resistance to authority.
  2. (Law) A willful contempt of, and disobedience to, any lawful summons, or to the rules and orders of court, as a refusal to appear in court when legally summoned.