adj.
Pronunciation: ˌ i-nik- ' sp ə g-n ə -b ə l, - ' spyü-n ə -
Function: adjective
Etymology: Middle English in-expungnabull, from Latin inexpugnabilis, from in- + expugnare to take by storm, from ex- + pugnare to fight ― more at PUNGENT
Date: 15th century
1 : incapable of being subdued or overthrown : IMPREGNABLE <an inexpugnable position>
2 : STABLE , FIXED < inexpugnable hatred>
– in · ex · pug · na · ble · ness noun
– in · ex · pug · na · bly \ -bl ē \ adverb