The word "un-restrictedness" refers to a lack of limitations, regulations, or constraints. The antonyms for this word include concepts such as constraint, restriction, confinement, limitation, regulation, and control. These antonyms imply a sense of confinement, limitation or adherence to rules and norms. The opposite of unrestrictedness is a state of confinement where freedom is curtailed, and actions or behavior are restricted. Such a state, although necessary for some situations, can often feel oppressive or stifling. Therefore, the antonyms of "un-restrictedness" can highlight the importance of freedom, independence and one's right to self-expression.