[syn: game, gamy, gamey, gritty, mettlesome, spirited, spunky]
The Collaborative International Dictionary of English v.0.48:
Gritty \Grit"ty\ (-t[y^]), a.
   1. Containing sand or grit; consisting of grit; caused by
      grit; full of hard particles.
      [1913 Webster]
   2. Spirited; resolute; unyielding. [Colloq., U. S.]
      [1913 Webster]
WordNet (r) 3.0 (2006):
gritty
    adj 1: composed of or covered with particles resembling meal in
           texture or consistency; "granular sugar"; "the
           photographs were grainy and indistinct"; "it left a mealy
           residue" [syn: farinaceous, coarse-grained, grainy,
           granular, granulose, gritty, mealy]
    2: willing to face danger [syn: game, gamy, gamey,
       gritty, mettlesome, spirited, spunky]
Moby Thesaurus II by Grady Ward, 1.0:
70 Moby Thesaurus words for "gritty":
   abrasive, arenaceous, arenarious, arenose, brave, breccial,
   brecciated, bulldoggish, coarse, coarse-grained, courageous,
   craggy, cross-grained, crystal, crystalline, dauntless, determined,
   doughty, fearless, firm, game, gamy, grained, grainy, granular,
   granulate, granulated, gravelly, gross, gutsy, gutty, hardy,
   intrepid, lapideous, lithoid, lithoidal, mettlesome, monolithic,
   nervy, pebbled, pebbly, persistent, pertinacious, plucky,
   porphyritic, rasping, red-blooded, resolute, rock-ribbed,
   rock-strewn, rock-studded, rocklike, rocky, rough, sabulous, sandy,
   shingled, shingly, spirited, spiritful, spunky, stalwart, staunch,
   stonelike, stony, tenacious, tough, trachytic, unrefined,
   valorous