Im·mov·a·ble a.
1. Incapable of being moved; firmly fixed; fast; -- used of material things; as, an immovable foundation.
Immovable, infixed, and frozen round. --Milton.
2. Steadfast; fixed; unalterable; unchangeable; -- used of the mind or will; as, an immovable purpose, or a man who remains immovable.
3. Not capable of being affected or moved in feeling or by sympathy; unimpressible; impassive.
4. Law. Not liable to be removed; permanent in place or tenure; fixed; as, an immovable estate. See Immovable, n.
Immovable apparatus Med., an appliance, like the plaster of paris bandage, which keeps fractured parts firmly in place.
Immovable feasts Eccl., feasts which occur on a certain day of the year and do not depend on the date of Easter; as, Christmas, the Epiphany, etc.