Unimpenetrable
adj
adj ·Rare ·Advanced level
Definitions
Adjective
- 1 Synonym of impenetrable. archaic
"Those whom he most persecuted with his despatches were Sir John Burgoyne, Lord Panmure, Lord Palmerston, Sir George Grey, and that ancient and unimpenetrable tribune, the commissioners of Chelsea Hospital."
Synonyms
All synonymsExample
More examples"Those whom he most persecuted with his despatches were Sir John Burgoyne, Lord Panmure, Lord Palmerston, Sir George Grey, and that ancient and unimpenetrable tribune, the commissioners of Chelsea Hospital."
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.