Impenetrable
"Impenetrable" in bg
непроницаем
nepronicaem
(not penetrable)
непроходим
neprohodim
(not penetrable)
неразбираем
nerazbiraem
(incomprehensible; inscrutable)
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.