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Adverb for not able to be overcome, subdued, or defeated
“The key to the Belgian defence along the Albert Canal was the supposedly impregnable fortress of Eben-Emael.”
Adverb for unable to be defeated or overcome
“Then, without warning, you've got the world's number one goalkeeper in self-destruct mode, the England captain glancing an own goal home and a seemingly impregnable lead overturned.”
Adverb for impossible to penetrate
Adverb for unable to be disproved or argued against
Adverb for incapable of being subdued, overcome, or vanquished
Adverb for certain to remain safe and unthreatened
Adverb for justifiable, well-maintained, or able to be defended
Adverb for never to be broken, infringed, or dishonoured
Related Words and Phrases
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