Confined
Part of speech: verb
Definition: To restrict; to keep within bounds; to shut or keep in a limited space or area.
Part of speech: adjective
Definition: not free to move
Example sentence: Every mind is a clutter of memories, images, inventions and age-old repetitions. It can be a ghetto, too, if a ghetto is a sealed-off, confined place. Or a sanctuary, where one is free to dream and think whatever one wants. For most of us it's both - and a lot more complicated.
Restrained
Part of speech: adjective
Definition: Held back, limited, kept in check or under control.
Part of speech: verb
Definition: To control or keep in check.
Example sentence: Marching thus at night, a battalion is doubly impressive. The silent monster is full of restrained power; resolute in its onward sweep, impervious to danger, it looks a menacing engine of destruction, steady to its goal, and certain of its mission.