The Collaborative International Dictionary of English v.0.48:

Haggard \Hag"gard\, n. [See Haggard, a.]
   1. (Falconry) A young or untrained hawk or falcon.
      [1913 Webster]

   2. A fierce, intractable creature.
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            I have loved this proud disdainful haggard. --Shak.
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   3. [See Haggard, a., 2.] A hag. [Obs.] --Garth.
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The Collaborative International Dictionary of English v.0.48:

Haggard \Hag"gard\, n. [See 1st Haw, Hedge, and Yard an
   inclosed space.]
   A stackyard. [Prov. Eng.] --Swift.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Haggard \Hag"gard\ (h[a^]g"g[~e]rd), a. [F. hagard; of German
   origin, and prop. meaning, of the hegde or woods, wild,
   untamed. See Hedge, 1st Haw, and -ard.]
   1. Wild or intractable; disposed to break away from duty;
      untamed; as, a haggard or refractory hawk. [Obs.] --Shak.
      [1913 Webster]

   2. [For hagged, fr. hag a witch, influenced by haggard wild.]
      Having the expression of one wasted by want or suffering;
      hollow-eyed; having the features distorted or wasted by
      pain; wild and wasted, or anxious in appearance; as,
      haggard features, eyes.
      [1913 Webster]

            Staring his eyes, and haggard was his look.
                                                  --Dryden.
      [1913 Webster]

WordNet (r) 3.0 (2006):

haggard
    adj 1: showing the wearing effects of overwork or care or
           suffering; "looking careworn as she bent over her
           mending"; "her face was drawn and haggard from
           sleeplessness"; "that raddled but still noble face";
           "shocked to see the worn look of his handsome young
           face"- Charles Dickens [syn: careworn, drawn,
           haggard, raddled, worn]
    2: very thin especially from disease or hunger or cold;
       "emaciated bony hands"; "a nightmare population of gaunt men
       and skeletal boys"; "eyes were haggard and cavernous"; "small
       pinched faces"; "kept life in his wasted frame only by grim
       concentration" [syn: bony, cadaverous, emaciated,
       gaunt, haggard, pinched, skeletal, wasted]
    n 1: British writer noted for romantic adventure novels
         (1856-1925) [syn: Haggard, Rider Haggard, Sir Henry
         Rider Haggard]

Moby Thesaurus II by Grady Ward, 1.0:

181 Moby Thesaurus words for "haggard":
   abandoned, achromatic, achromic, amok, anemic, angular, ashen,
   ashy, attenuated, bellowing, berserk, bigoted, bled white,
   bloodless, blue, cadaverous, careworn, carried away, chloranemic,
   colorless, corpselike, dead, deadly, deadly pale, deathlike,
   deathly, deathly pale, delirious, demoniac, dim, dimmed, dingy,
   discolored, distracted, drawn, dull, ecstatic, eerie, emacerated,
   emaciate, emaciated, enraptured, etiolated, exhausted,
   exsanguinated, exsanguine, exsanguineous, extravagant, extreme,
   extremist, faded, fagged, faint, fallow, fanatic, fatigued, feral,
   ferocious, fierce, flat, frantic, frenzied, fulminating, furious,
   gaunt, ghastly, ghostlike, ghostly, gray, grisly, gruesome,
   hog-wild, hollow-eyed, howling, hueless, hypochromic, hysterical,
   in a transport, in hysterics, inordinate, intoxicated, irrational,
   jejune, lackluster, lank, leaden, lean, livid, lurid, lusterless,
   macabre, mad, madding, maniac, marantic, marasmic, mat, mealy,
   mortuary, muddy, neutral, orgasmic, orgiastic, overenthusiastic,
   overreligious, overzealous, pale, pale as death, pale-faced,
   pallid, pasty, peaked, peaky, perfervid, pinched, played out, poor,
   possessed, puny, rabid, raging, ramping, ranting, ravaged, raving,
   ravished, roaring, run-down, running mad, sallow, scraggy, scrawny,
   shriveled, shrunken, sickly, skeletal, skinny, spare, spent,
   starved, starveling, storming, tabetic, tabid, tallow-faced, tired,
   tired-eyed, tired-faced, tired-looking, toneless, transported,
   ultrazealous, uncanny, uncolored, uncontrollable, underfed,
   undernourished, unearthly, unreasonable, violent, wan, washed-out,
   wasted, waxen, weak, wearied, weary, weary-looking, weazeny, weird,
   whey-faced, white, wild, wild-eyed, wild-looking, withered,
   wizened, worn, worn-down, wraithlike, zealotic