Not able to be moved; fixed in place.

हिलने में असमर्थ

English Usage: Her belief in justice was immovable.

Hindi Usage: न्याय में उसका विश्वास अचल था।

Something that cannot be moved, often referring to a physical object or property.

जो हिलाया न जा सके

English Usage: The house was an immovable part of the landscape.

Hindi Usage: यह घर परिदृश्य का एक अचल हिस्सा था।