forlorn vs untenanted

forlorn

• Abandoned, deserted, left behind. 

• Unlikely to succeed; hopeless. 

• Pitifully sad, wretched, miserable; lonely, especially from feeling abandoned, deserted, forsaken. 

• A forlorn hope. 

• A member of a forlorn hope. 

untenanted

• Not leased to or occupied by a tenant; unoccupied.