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

Immovable a. : Steadfast; fixed; unalterable; unchangeable; -- used of the mind or will; as, an immovable purpose, or a man who remain immovable.

Immovable a. : Not capable of being affected or moved in feeling or by sympathy; unimpressible; impassive.

Immovable a. : Not liable to be removed; permanent in place or tenure; fixed; as, an immovable estate. See Immovable, n.

Immovable n. : That which can not be moved.

Immovable n. : Lands and things adherent thereto by nature, as trees; by the hand of man, as buildings and their accessories; by their destination, as seeds, plants, manure, etc.; or by the objects to which they are applied, as servitudes.

Example:
What happens when an Immovable object meets an irresistable force?

Taxonomy
immovable property, legally, free encyclopedia, machinery, plant, furniture, fittings, by way of, the planet Earth, fisheries, lease, transaction, agreement, nekretnine, imobiliare, property rights, civil law, nekilnojamas turtas.

Defination from the web:
IMMOVABLE PROPERTY AT PRIVATE SALE ... (Thai) Act on the Lease of Immovable Property for Commercial and Industrial Purposes (Thailand) Synopsis of French inheritance law ...