The term 'LACKING PROTECTION' can be summarized by two crossword solutions: 'UNGUARDED' (9 letters) and 'HELPLESS' (8 letters). These words describe a situation in which someone or something is not being protected from harm or danger. This could refer to a person who is vulnerable to attack, or an object that is not secured or guarded. In either case, the lack of protection leaves the person or object exposed and vulnerable.