Unmovable
Part of speech: adjective
Definition: Not physically possible to be moved
Immovable
Part of speech: noun
Definition: That which can not be moved; something which is immovable.
Part of speech: adjective
Definition: Incapable of being moved; firmly fixed; fast; -- used of material things; as, an immovable foundation.Steadfast; fixed; unalterable; unchangeable; -- used of the mind or will; as, an immovable purpose, or a man who remain immovable.Not capable of being affected or moved in feeling or by sympathy; unimpressible; impassive.