The word "unprotectedness" refers to a state of being vulnerable or defenseless against harm or danger. Synonyms for this word include exposed, open, susceptible, defenseless, and unguarded. Other options include vulnerable, undefended, unshielded, and powerless. Each of these words describes a similar situation where someone or something is at risk without adequate protection. Depending on the context in which it is used, the most appropriate synonym may vary. However, regardless of which synonym is chosen, they all convey the same message of concern for lack of protection or safety.