adj. 1. Impossible to overcome or overthrow by force. 2. Impossible to put aside or drive away: inexpugnable dislike. [Middle English, from Old French, from Latin inexpugnābilis : in-, not; see IN-1 + expugnābilis, capable of being overcome (from expugnāre : ex-, completely; see EX- + pugnāre, to fight; see IMPUGN).] in′ex·pug·na·bili·ty n. in′ex·pugna·bly adv. |
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