adj. 25B6; adjective
a vulnerable city : IN DANGER, in peril, in jeopardy, at risk, endangered, unsafe, unprotected, unguarded; open to attack, assailable, exposed, wide open; undefended, unfortified, unarmed, defenceless, helpless, pregnable.
he is vulnerable to criticism : EXPOSED TO, open to, liable to, prone to, prey to, susceptible to, subject to, an easy target for; archaic susceptive of.
resilient.