desperado

desperado
    n 1: a bold outlaw (especially on the American frontier) [syn:
         {desperado}, {desperate criminal}]
    

Desperado \Des`per*a"do\, n.; pl. {Desperadoes}. [OSp.
   desperado, p. p. of desperar, fr. L. desperare. See
   {Desperate}.]
   A reckless, furious man; a person urged by furious passions,
   and regardless of consequence; a wild ruffian.
   [1913 Webster]
    

78 Moby Thesaurus words for "desperado":
      Cain, Judas, apache, assassin, assassinator, badman, bandit,
      betrayer, bloodletter, bloodshedder, bravo, bucko, bully, bullyboy,
      burker, butcher, button man, cannibal, convict, criminal, crook,
      cutthroat, deceiver, desperate criminal, devil, double-dealer,
      eradicator, executioner, exterminator, felon, fugitive,
      gallows bird, gangster, gaolbird, garroter, gorilla, gun, gunman,
      gunsel, hatchet man, head-hunter, hell-raiser, hellcat, hit man,
      homicidal maniac, homicide, jailbird, killer, lawbreaker, mad dog,
      man-eater, man-killer, manslayer, massacrer, matador, mobster,
      murderer, outlaw, pesticide, poison, poisoner, public enemy,
      quisling, racketeer, rough, rowdy, ruffian, scofflaw, slaughterer,
      slayer, strangler, swindler, thief, thug, torpedo, traitor,
      trigger man, two-timer