Vulnerable Definition

vŭlnər-ə-bəl

adjective

Susceptible to physical harm or damage.

Trees that are vulnerable to insects;

American Heritage

That can be wounded or physically injured.

Webster's New World

Easily hurt, as by adverse criticism; sensitive.

Webster's New World

Open to criticism or attack.

A vulnerable reputation.

Webster's New World

Open to attack by armed forces.

Webster's New World

Synonyms:

Antonyms:

Origin of Vulnerable

Late Latin vulnerābilis wounding from Latin vulnerāre to wound from vulnus vulner- wound welə- in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition
From Late Latin vulnerābilis (“injurious, wounding"), from Latin vulnerō (“I wound").

From Wiktionary