unmovable

from WordNet (r) 3.0 (2006)

unmovable
    adj 1: not able or intended to be moved; "the immovable hills"
           [syn: {immovable}, {immoveable}, {stabile}, {unmovable}]

from The Collaborative International Dictionary of English v.0.48

Unmovable \Un*mov"a*ble\, a.
   Immovable. "Steadfast, unmovable." --1 Cor. xv. 58. Locke.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

32 Moby Thesaurus words for "unmovable":
      adamant, adamantine, at a standstill, closed to, firm, frozen,
      immobile, immotile, immotive, immovable, impersuadable,
      impersuasible, impervious, inflexible, irremovable, obstinate, pat,
      rigid, standpat, stationary, unamenable, unimpressionable,
      uninfluenceable, unmoving, unpersuadable, unpliable, unreceptive,
      unresponsive, unsuggestible, unsusceptible, unswayable,
      unyielding