(un-, prefix1 affix 1b.)

That cannot be moved physically; fixed; †not moving, motionless (obsolete); = immovable, adj. 1. Now rare.

literal. That cannot be moved physically; firmly fixed; incapable of movement. Often less strictly: Motionless, stationary, fixed.

That cannot be moved or changed; steady, fixed, constant; = immovable, adj. 2. Obsolete.

= immovable, adj.

Permanent, immovable (esp. of property: see immovable, adj. 3). Chiefly as postmodifier.

Incapable of being moved; immovable, inflexible. literal and figurative. Obsolete.

Incapable of being shifted; immovable.