un·pro·tect·ed 
/ˌʌnprəˈtɛktəd/ adjective
/ˌʌnprəˈtɛktəd/ adjective 1 : not guarded or kept from something that can cause harm or damage
▪ They're planning to build roads over thousands of acres of unprotected land/wilderness. ▪ If your computer is unprotected, you're likely to get a virus. 2 of sexual activity : done without using anything (such as a condom) that can prevent unwanted pregnancy or the spread of disease (such as AIDS)
▪ They had unprotected [=unsafe] sex.
▪ They're planning to build roads over thousands of acres of unprotected land/wilderness. ▪ If your computer is unprotected, you're likely to get a virus.
▪ They had unprotected [=unsafe] sex.
