General sense of movement:
* Immobility: This refers to a lack of movement altogether.
* Stationary: This implies remaining in one place.
* Sedentary: This describes a lifestyle of little physical activity, often tied to a specific location.
Specific contexts:
* For animal migration:
* Resident: Describes animals that stay in one area year-round.
* Non-migratory: This directly negates the idea of migration.
* For human migration:
* Immigration: This is the opposite of emigration, but not a general antonym for migration.
* Staying: A simple way to describe not moving from a place.
The best antonym will depend on the specific context and the intended meaning.