[1] : The Collaborative International Dictionary of English v.0.48

leaden \lead"en\, a.
   1. made of lead; of the nature of lead; as, a leaden ball.
      1913 webster

   2. like lead in color, etc.; as, a leaden sky.
      1913 webster

   3. heavy; dull; sluggish. "leaden slumber." --shak.
      1913 webster

[2] : WordNet (r) 2.0

leaden
     adj 1: darkened with overcast; "a dark day"; "a dull sky"; "a gray
            rainy afternoon"; "gray clouds"; "the sky was leaden
            and thick" syn: dull, gray, grey
     2: made heavy or weighted down with weariness; "his leaden
        arms"; "weighted eyelids" syn: weighted
     3: of movement slow and laborious; "leaden steps" syn: plodding
     4: lacking lightness or liveliness; "heavy humor"; "a leaden
        conversation" syn: heavy
see also:
dull gray grey weighted plodding heavy 

[3] : Moby Thesaurus II by Grady Ward, 1.0

274 moby thesaurus words for "leaden":
   latinate, quaker-colored, abeyant, achromatic, achromic, acier,
   anemic, apathetic, arid, ashen, ashy, aureate, awkward, barren,
   benumbed, blah, bled white, bloodless, bombastic, bored, brass,
   brassy, brazen, bronze, bronzy, burdensome, cadaverous, canescent,
   cataleptic, catatonic, characterless, chloranemic, cinereous,
   cinerous, cold, colorless, copper, coppery, cramped, cumbrous,
   cupreous, cuprous, dapple, dapple-gray, dappled, dappled-gray,
   dark, dead, deadly pale, deathly pale, debilitated, dense, dim,
   dimmed, dingy, discolored, dismal, dopey, dormant, dove-colored,
   dove-gray, draggy, drearisome, dreary, droopy, drugged, dry,
   dryasdust, dull, dusty, effete, elephantine, empty, enervated,
   etiolated, exanimate, exsanguinated, exsanguine, exsanguineous,
   fade, faded, faint, fallow, fat, ferrous, ferruginous, flat,
   forced, formal, foul, ghastly, gilt, glaucescent, glaucous, gloomy,
   glowering, gold, gold-filled, gold-plated, golden, gray,
   gray-black, gray-brown, gray-colored, gray-drab, gray-green,
   gray-spotted, gray-toned, gray-white, grayed, grayish, grey,
   griseous, grizzle, grizzled, grizzly, groggy, guinde, haggard,
   halting, heavy, heavyweight, hebetudinous, hefty, ho-hum, hollow,
   hueless, hypochromic, in abeyance, in suspense, inactive, inane,
   inanimate, inert, inexcitable, inkhorn, insipid, iron, iron-gray,
   ironlike, jaded, jejune, labored, lackadaisical, lackluster,
   languid, languorous, latent, lead, lead-gray, lethargic, lifeless,
   listless, livid, logy, low-spirited, lowering, lumbering, lumpish,
   lurid, lusterless, massive, massy, mat, mealy, mercurial,
   mercurous, moribund, mouse-colored, mouse-gray, mousy, muddy,
   neutral, nickel, nickelic, nickeline, numb, numbing, onerous,
   oppressive, overweight, pale, pale as death, pale-faced, pallid,
   passive, pasty, pearl, pearl-gray, pearly, pedestrian, pewter,
   pewtery, phlegmatic, plodding, pointless, poky, pompous, ponderous,
   pooped, quicksilver, sad, sallow, sated, sedentary, sesquipedalian,
   sickly, silver, silver-gray, silver-plated, silvered, silvery,
   slack, slate-colored, slaty, sleeping, sleepy, slow, sluggish,
   slumbering, smoke-gray, smoky, smoldering, sober, solemn, somber,
   somnolent, soporific, spiritless, stagnant, stagnating, standing,
   static, steel, steel-gray, steely, sterile, stiff, stilted, stodgy,
   stone-colored, stuffy, stultified, sullen, superficial, supine,
   suspended, tallow-faced, tame, tasteless, taupe, tedious, tin,
   tinny, toneless, torpid, turgid, unaroused, uncolored, unlively,
   unwieldy, vapid, vegetable, vegetative, wan, washed-out, waxen,
   weak, weary, weighty, whey-faced, white, wooden, world-weary

Leaden >> L Words
Leaden, definition of term: Leaden
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