IPA: /ˈvʌlnərəblnəs/
KK: /ˈvʌlnərəblnəs/
The quality of being open to harm, damage, or attack; the state of being weak or exposed.
The vulnerableness of the community to natural disasters highlighted the need for better preparedness.
Vulnerableness → It is formed from "vulnerabilis" (from Latin, meaning able to be wounded) and the suffix "-ness" (meaning the state or quality of). The word "vulnerableness" refers to the state of being open to physical or emotional harm.
Think of being 'able to be wounded' — that's what 'vulnerableness' means, the quality of being open to harm.