Pronunciation: (vul'nur-u-bul), [key]
1. capable of or susceptible to being wounded or hurt, as by a weapon: a vulnerable part of the body.
2. open to moral attack, criticism, temptation, etc.: an argument vulnerable to refutation; He is vulnerable to bribery.
3. (of a place) open to assault; difficult to defend: a vulnerable bridge.
4. Bridge.having won one of the games of a rubber.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.