(Non protégé) A property located in an area not regularly serviced by a fire department
If something is unprotected, it is not covered or treated with anything, and so it may easily be damaged. Exposure of unprotected skin to the sun carries the risk of developing skin cancer This leaves fertile soil unprotected and prone to erosion
An unprotected person or place is not looked after or defended, and so they may be harmed or attacked. What better target than an unprotected girl, going along that river walkway in the dark The landing beaches would be unprotected
lacking protection or a guard; "an unguarded gate"; "his unguarded queen was open to attack"