The Collaborative International Dictionary of English v.0.48:

Unmoved \Un*moved"\, a.
   Not moved; fixed; firm; unshaken; calm; apathetic. --
   Un*mov"ed*ly, adv.
   [1913 Webster]

WordNet (r) 3.0 (2006):

unmoved
    adj 1: emotionally unmoved; "always appeared completely unmoved
           and imperturbable" [syn: unmoved(p), unaffected,
           untouched] [ant: affected, moved(p), stirred,
           touched]
    2: being in the original position; not having been moved; "the
       archeologists could date the vase because it was in-situ";
       "an in-situ investigator" [syn: in-situ, unmoved]

Moby Thesaurus II by Grady Ward, 1.0:

130 Moby Thesaurus words for "unmoved":
   adamant, adamantine, aloof, apathetic, at a standstill, at anchor,
   at rest, aweless, calm, cast-iron, cloistered, collected, composed,
   cool, dead-still, dispassionate, dour, dwindling, ebbing,
   even-tenored, expected, expecting, firm, fixed, flinty, grim,
   halcyon, hard, hard-core, hushed, idle, immobile, immotive,
   immovable, immutable, impassive, implacable, impliable,
   indifferent, inelastic, inexcitable, inexorable, inflexible,
   intransigent, iron, irreconcilable, isolated, moldering,
   motionless, moveless, out of commission, pacific, peaceable,
   peaceful, placid, quiescent, quiet, relentless, reposeful,
   reposing, restful, resting, riding at anchor, rigid, rigorous,
   rock-ribbed, secluded, sequestered, sequestrated, sheltered,
   smooth, static, stationary, statuelike, steely, stern, stiff,
   still, still as death, stillish, stilly, stock-still, stoic,
   stoical, stolid, stony, subsiding, tranquil, unaffected,
   unagitated, unalterable, unamazed, unanimated, unastonished,
   unastounded, unawed, unbending, unbewildered, unchangeable,
   uncompromising, unconcerned, undazed, undazzled, undisturbed,
   undumbfounded, unemotional, unemployed, unfeeling, ungiving,
   unimpressed, uninfluenced, uninspired, unmarveling, unmoving,
   unperturbed, unrelenting, unresponsive, unruffled, unstirred,
   unstirring, unstruck, unsurprised, unswayed, unsympathetic,
   untouched, untroubled, unwondering, unyielding, waning,
   wonderless