Definition
A civil law term for property that cannot move itself or be removed from one place — the civilian law equivalent of what common law systems call real property. The category is broader than simple physical immobility. Civil law doctrine recognizes three distinct bases for classifying property as immovable:
1. Immovable by nature: Land, soil, and anything permanently rooted in or attached to the ground — trees, crops still in the earth, buildings affixed to a foundation. These cannot be moved without destruction or fundamental alteration.
2. Immovable by destination: Movable things that have been permanently assigned to the use or exploitation of an immovable — farming equipment attached to an agricultural estate, machinery fixed to a mill, ornaments or statues attached to a building. The physical object might be movable on its own, but law treats it as immovable by virtue of its function and annexation to the land.
3. Immovable by the object to which they are applied: Certain incorporeal rights — usufructs over land, predial servitudes, real actions — are classified as immovable not because they have physical mass but because they bear on an immovable thing. Rights in land follow the immovable classification of the land itself.
The civil law dichotomy of movables and immovables performs the same organizing function that the common law distinction between real property and personal property does — sorting property into different legal regimes for ownership, transfer, succession, and security interests — but the two systems do not map cleanly onto each other.
Common Language
Modern common usage (Wiktionary): Plural of immovable; things that cannot be moved.
Historical common usage (Webster's 1913): Immovable — incapable of being moved; fixed; also, not to be moved from a purpose; steadfast.
The ordinary English word describes simple physical inability to move. The legal term of art adds a layer the common word does not carry: things that are legally immovable regardless of their physical character. A millstone bolted to a flour mill may be physically removable with the right tools, but civil law classifies it as immovable by destination. The legal classification turns on function and legal relationship to land, not on weight or rootedness alone.
Common Confusion
Immovables (civil law) vs. Real Property (common law): These categories are functionally analogous but not identical. Common law real property focuses on land and what is affixed to it, analyzed through the doctrine of fixtures. Civil law immovables by destination cover similar ground but apply a broader conceptual framework that explicitly incorporates the owner's intent and the permanent relationship between the object and the land. Researchers moving between civil law jurisdictions and common law jurisdictions should not assume these categories are interchangeable. An item classified as a movable chattel under common law fixture analysis might be an immovable by destination under civilian doctrine, and vice versa.
Why It Matters in Research
This term is a gateway concept for research in any civilian or mixed jurisdiction. Louisiana, Quebec, Puerto Rico, Scotland, South Africa, and most of continental Europe organize property law around the movable/immovable axis rather than the common law real/personal property axis. In Law Mind sources, IMMOVABLES will appear in treatises and commentaries drawing on Pothier, the Code Napoléon, and the Louisiana Civil Code — not in English common law sources, which use different vocabulary for nearly identical problems.
The three-part classification (by nature, by destination, by object) is the analytical engine. Historical sources frequently abbreviate this to "cannot move itself or be removed," which understates the doctrine's reach. Researchers who stop at the physical definition will miss the immovables-by-destination category, which drives most of the interesting disputes — creditors fighting over whether machinery is part of a mortgaged estate, successions disputes over whether fixtures pass with land, and conflicts-of-laws problems over which jurisdiction's law governs a particular asset.
Conflicts of laws is a critical secondary research area. The general private international law rule — lex situs governs immovables — means that identifying something as an immovable determines which country's law applies to a transaction. Historical sources treat this as settled doctrine; the practical complexity lies in cross-system cases where civil law and common law characterizations diverge.
Anderson's entry simply redirects to MOVABLE, which is the smarter research path in sources organized around that dichotomy. Follow it.
Historical Dictionary Support
Black's (1st and 2nd editions) and Bouvier's are in substantial agreement, drawing on the same civilian sources — Pothier's Des Choses and the Clef des Lois Romaines. The core formulation is nearly word-for-word identical across all three: "property which, from its nature, destination, or the object to which it is applied, cannot move itself or be removed." This convergence reflects the civilian jurisprudence being imported wholesale into American legal reference works, not independent analysis.
What the historical dictionaries do not do well is develop the immovable-by-destination category. The truncated text in both Black's editions suggests the original entries elaborated further (the surviving text ends mid-sentence with "only by the"), but the preserved fragments do not develop the doctrine of destination. Bouvier cites Pothier directly, which is the better research lead for the full civilian analysis. Anderson's adds nothing independently, deferring entirely to the MOVABLE entry.
No historical source addresses conflicts-of-laws implications in the immovables entries themselves, though the point is treated in their separate entries on lex situs and private international law.
Jurisdictional Note
In the United States, the movable/immovable distinction is operative law only in Louisiana, which follows the civil law tradition. Other U.S. jurisdictions use real property and personal property as the organizing categories, with fixtures doctrine bridging the gap. Internationally, the movable/immovable framework governs in most of continental Europe, Latin America, Quebec, and other civilian systems. Researchers working in mixed or civilian jurisdictions should treat this term as a structural concept with direct legal consequence, not merely a translation of real property.
Encyclopedia Cross-Reference
See Law Mind Encyclopedia: Property Law (Civil Law Systems); Movables and Immovables; Conflict of Laws — Situs Rule.