adj.
Pronunciation: ' preg-n ə -b ə l
Function: adjective
Etymology: alteration of Middle English prenable, from Anglo-French ― more at IMPREGNABLE
Date: 14th century
: vulnerable to capture <a pregnable fort>
– preg · na · bil · i · ty \ ˌ preg-n ə - ' bi-l ə -t ē \ noun