The opposite of stuck is free or movable.
The opposite of a movable joint would be an immovabl joint, which is a joint that does not move.
Movable
The root word of "movable" is "move", which means to go from one place to another or to change position.
The film was very movable.The pillar is not movable because it is bolted into the ground.
Insertion
INSERTION
No. The correct spelling is "movable."
movable
cot
SENTENCE: My heavy table isn't movable. My teacher marked me right on this so, it has to be right.
synonym-portable & antonym-static.