achromatic, achromic, anemic, ashen, ashy, bled white, blind, bloodless, cadaverous, chloranemic, colorless, dead, deadened, deadly pale, deathly pale, dim, dimmed, dingy, discolored, drab, dull, etiolated, exsanguinated, exsanguine, exsanguineous, faded, faint, fallow, flat, ghastly, gray, haggard, hueless, hypochromic, lackluster, leaden, lifeless, livid, lurid, mat, mealy, muddy, muted, neutral, pale, pale as death, pale-faced, pallid, pasty, prosaic, prosy, sallow, sickly, somber, tallow-faced, toneless, uncolored, wan, washed-out, waxen, weak, whey-faced, white

For further exploring for "lusterless" in Webster Dictionary Online