The word un-confined refers to a state of being free, unrestricted or unencumbered. Some antonyms for this word would be confined, restricted, limited, constrained, bounded or restrained. Confined refers to something that is restricted or limited within a particular space, whereas restricted implies a limitation beyond physical boundaries. Limited refers to something that is restricted based on the extent or scope of the object, whereas constrained implies a restriction that is placed by external factors. Bounded refers to something that is limited within physical boundaries, whereas restrained implies a restriction based on one's own ability or willingness to act.