immovable

adj. (also immoveable) 1 not able to be moved. 2 steadfast, unyielding. 3 emotionless. 4 not subject to change (immovable law). 5 motionless. 6 (of property) consisting of land, houses, etc.  immovability n. Immovably adv.

a. Incapable of being moved; firmly fixed; fast; -- used of material things; as, an immovable foundatin.