Un-hampered refers to a state free of hindrances, barriers or obstacles. Some of the common antonyms for un-hampered include obstructed, blocked, impeded, hindered and limited. These words signify a state where there are obstacles that prevent one from achieving a goal or fulfilling a task. For instance, obstructed refers to the presence of roadblocks or obstructions that make it difficult for one to move forward. Similarly, hindered means that one is restrained or prevented from doing something. It is important to note that antonyms of un-hampered are used in different contexts depending on the situation at hand. So, if you are facing obstacles, then you are definitely not un-hampered.