vulnerable - susceptible to attack; "a vulnerable bridge"conquerable - subject to being conquered or overcome; "knew her fears were ultimately conquerable" dangerous, unsafe - involving or causing danger or risk; liable to hurt or harm; "a dangerous criminal"; "a dangerous bridge"; "unemployment reached dangerous proportions" unsafe, insecure - lacking in security or safety; "his fortune was increasingly insecure"; "an insecure future" susceptible - (often followed by `of' or `to') yielding readily to or capable of; "susceptible to colds"; "susceptible of proof" invulnerable - immune to attack; impregnable; "gunners raked the beach from invulnerable positions on the cliffs" |