capable of being harmed or attacked

exposed to the possibility of being attacked

हमले की संभावना के प्रति उजागर

English Usage: During the vulnerable period, the city was less defended against invaders.

Hindi Usage: हानिकारक समय के दौरान, शहर आक्रमणकारियों के खिलाफ कम सुरक्षित था।