The word "un-impeded" refers to something that is not obstructed or hindered in any way. Antonyms for this word include "obstructed," "hindered," "barred," "blocked," "restricted," "hampered," "constrained," and "prevented." These words describe situations where obstacles or limitations exist, making it difficult or impossible to proceed. For example, a road might be obstructed by fallen trees, or a person's progress might be hindered by a physical disability. Barriers or restrictions can also be imposed by laws, regulations, or social norms. By understanding these antonyms for "un-impeded," we can better appreciate the value of freedom and unrestricted movement.