noun.Susceptibility to attack or injury; the state or condition of being weak or poorly defended.
noun.
a specific weakness in the protections or defences surrounding someone or something.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
the state of being vulnerable or exposed
noun.
susceptibility to injury or attack
Word Usage
"The increase in vulnerability is far more dramatic in the developing world, where in an average year tens of thousands of people die in weather-related disasters."