immovability

from WordNet (r) 3.0 (2006)

immovability
    n 1: not capable of being moved or rearranged [syn:
         {immovability}, {immovableness}] [ant: {movability},
         {movableness}]

from The Collaborative International Dictionary of English v.0.48

Immovability \Im*mov"a*bil"i*ty\, n.
   The quality or state of being immovable; fixedness;
   steadfastness; as, immovability of a heavy body; immovability
   of purpose.
   [1913 Webster]