# immovable

> Allows you to specify that this body is not movable.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.7/script-reference/unityengine.md)
* **Assembly:** UnityEngine.PhysicsModule

```csharp
public bool immovable { get; set; }
```

### Remarks

You should only set this on the root body of the articulation. For example, the base of a robotic hand.