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Being such that attack, seizure, or capture is possible; vulnerable or assailable: a pregnable fortress.

[Middle English preignable, pregnabul, from Old French prenable, pregnauble, from prendre, to grasp, from Latin prehendere, prēndere; see ghend- in Indo-European roots.]

preg′na·bil′i·ty n.


capable of being assailed or captured
[C15 prenable, from Old French prendre to take, from Latin prehendere to lay hold of, catch]
ˌpregnaˈbility n


(ˈprɛg nə bəl)

1. capable of being taken by force: a pregnable fortress.
2. open to rebuttal: a pregnable argument.
[1400–50; late Middle English prenable < Middle French pre(g)nable]
preg`na•bil′i•ty, n.
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Open to attack and capture because of a lack of protection:
References in periodicals archive ?
Vulnerability means the appearance/reality of easy sexual access; passivity means receptivity and disabled resistance, enforced by trained physical weakness; softness means pregnability by something hard.
Off it, the topless towers of United - no pun on Dwight Yorke's girlfriend intended - exude an aura of financial and football im- pregnability.
For various reasons ranging from women's pregnability, to their training for the role of caretaker, and to their fear of male sexuality,(150) women aim not to maximize their own interests, but to maximize others'.