Unenthralled, which refers to the state of being unimpressed or bored, can be substituted with several synonyms. The word "unimpressed" can be used to describe a feeling of apathy towards something, while "disinterested" refers to a lack of attention or involvement in a subject. "Unenthusiastic" describes a lack of motivation or eagerness towards something, and "indifferent" suggests a lack of concern or feeling altogether. "Apathetic" means a lack of emotion or concern towards anything at all, while "bored" refers to a state of being unoccupied or underwhelmed. All of these words can be effectively used as synonyms for unenthralled in different contexts.