Definition of vulnerable:
delicate, friable, enfeebled, unresistant, exposed, assailable, sensitive, delicately balanced, unsteady, helpless, under attack, compromising, under threat, crumbly, sickly, susceptible, immature, undefendable, fragile, under fire, undefended, threatened, subject, endangered, brittle, defenceless, insecure, pregnable, unsafe, strong, susceptive, at the mercy of, infirm, open, penetrable, young, tender, weak, feeble, in harm's way, malnourished, frail, at risk, unprotected, unguarded, vincible, flimsy, attackable, breakable, defenseless.
- "Edgar Saltus: The Man", Marie Saltus.
- "The Man That Corrupted Hadleyburg and Other Stories", Mark Twain (Samuel Clemens) Last Updated: February 18, 2009.
- "Project Gutenberg History of The Netherlands, 1555-1623, Complete", John Lothrop Motley.